57951194407989 has 4 divisors (see below), whose sum is σ = 77268259210656. Its totient is φ = 38634129605324.

The previous prime is 57951194407793. The next prime is 57951194407991. The reversal of 57951194407989 is 98970449115975.

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 57951194407989 - 2¹³ = 57951194399797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57951194405989) 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, 9658532401329 + ... + 9658532401334.

It is an arithmetic number, because the mean of its divisors is an integer number (19317064802664).

Almost surely, 2^{57951194407989} is an apocalyptic number.

It is an amenable number.

57951194407989 is a deficient number, since it is larger than the sum of its proper divisors (19317064802667).

57951194407989 is a wasteful number, since it uses less digits than its factorization.

57951194407989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19317064802666.

The product of its (nonzero) digits is 1028764800, while the sum is 78.

The spelling of 57951194407989 in words is "fifty-seven trillion, nine hundred fifty-one billion, one hundred ninety-four million, four hundred seven thousand, nine hundred eighty-nine".