1957938049 has 8 divisors (see below), whose sum is σ = 2108918240. Its totient is φ = 1811750976.

The previous prime is 1957938029. The next prime is 1957938061. The reversal of 1957938049 is 9408397591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1957938049 - 2¹⁵ = 1957905281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1957938029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197432 + ... + 1199065.

It is an arithmetic number, because the mean of its divisors is an integer number (263614780).

Almost surely, 2^1957938049 is an apocalyptic number.

1957938049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1957938049 is a deficient number, since it is larger than the sum of its proper divisors (150980191).

1957938049 is a wasteful number, since it uses less digits than its factorization.

1957938049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396559.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 1957938049 is about 44248.5937516663. The cubic root of 1957938049 is about 1251.0259415115.

The spelling of 1957938049 in words is "one billion, nine hundred fifty-seven million, nine hundred thirty-eight thousand, forty-nine".