57901950409 has 4 divisors (see below), whose sum is σ = 57941856720. Its totient is φ = 57862044100.

The previous prime is 57901950401. The next prime is 57901950451. The reversal of 57901950409 is 90405910975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57901950409 - 2³ = 57901950401 is a prime.

It is a super-2 number, since 2×57901950409² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57901950401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19950979 + ... + 19953880.

It is an arithmetic number, because the mean of its divisors is an integer number (14485464180).

Almost surely, 2^57901950409 is an apocalyptic number.

It is an amenable number.

57901950409 is a deficient number, since it is larger than the sum of its proper divisors (39906311).

57901950409 is a wasteful number, since it uses less digits than its factorization.

57901950409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39906310.

The product of its (nonzero) digits is 510300, while the sum is 49.

The spelling of 57901950409 in words is "fifty-seven billion, nine hundred one million, nine hundred fifty thousand, four hundred nine".