1973250864 has 120 divisors (see below), whose sum is σ = 5974426640. Its totient is φ = 604371456.

The previous prime is 1973250863. The next prime is 1973250887. The reversal of 1973250864 is 4680523791.

1973250864 is a `hidden beast` number, since 19 + 73 + 2 + 508 + 64 = 666.

1973250864 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

1973250864 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (1973250863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426387 + ... + 430989.

It is a 2-persistent number, because it is pandigital, and so is 2⋅1973250864 = 3946501728, but 3⋅1973250864 = 5919752592 is not.

Almost surely, 2^1973250864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1973250864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987213320).

1973250864 is an abundant number, since it is smaller than the sum of its proper divisors (4001175776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973250864 is a wasteful number, since it uses less digits than its factorization.

1973250864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1973250864 is about 44421.2884099505. The cubic root of 1973250864 is about 1254.2788540671.

The spelling of 1973250864 in words is "one billion, nine hundred seventy-three million, two hundred fifty thousand, eight hundred sixty-four".