1975613420 has 24 divisors (see below), whose sum is σ = 4525951248. Its totient is φ = 718404800.

The previous prime is 1975613417. The next prime is 1975613441. The reversal of 1975613420 is 243165791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4489811 + ... + 4490250.

It is an arithmetic number, because the mean of its divisors is an integer number (188581302).

Almost surely, 2^1975613420 is an apocalyptic number.

1975613420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1975613420 is an abundant number, since it is smaller than the sum of its proper divisors (2550337828).

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

1975613420 is a wasteful number, since it uses less digits than its factorization.

1975613420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980081 (or 8980079 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1975613420 is about 44447.8730649735. The cubic root of 1975613420 is about 1254.7792334540.

The spelling of 1975613420 in words is "one billion, nine hundred seventy-five million, six hundred thirteen thousand, four hundred twenty".