1957073850 has 36 divisors (see below), whose sum is σ = 5258006286. Its totient is φ = 521886240.

The previous prime is 1957073831. The next prime is 1957073879. The reversal of 1957073850 is 583707591.

1957073850 is a `hidden beast` number, since 1 + 9 + 570 + 73 + 8 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1040256009 + 916817841 = 32253^2 + 30279^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1957073796 and 1957073805.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 2174077 + ... + 2174976.

Almost surely, 2^1957073850 is an apocalyptic number.

1957073850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1957073850 is an abundant number, since it is smaller than the sum of its proper divisors (3300932436).

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

1957073850 is a wasteful number, since it uses less digits than its factorization.

1957073850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349071 (or 4349063 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 1957073850 is about 44238.8274030856. The cubic root of 1957073850 is about 1250.8418542312.

The spelling of 1957073850 in words is "one billion, nine hundred fifty-seven million, seventy-three thousand, eight hundred fifty".