2119387985957 has 8 divisors (see below), whose sum is σ = 2433746969760. Its totient is φ = 1825310226960.

The previous prime is 2119387985921. The next prime is 2119387985983. The reversal of 2119387985957 is 7595897839112.

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

It is not a de Polignac number, because 2119387985957 - 2¹² = 2119387981861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119387945957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5070305978 + ... + 5070306395.

It is an arithmetic number, because the mean of its divisors is an integer number (304218371220).

Almost surely, 2^{2119387985957} is an apocalyptic number.

It is an amenable number.

2119387985957 is a deficient number, since it is larger than the sum of its proper divisors (314358983803).

2119387985957 is a wasteful number, since it uses less digits than its factorization.

2119387985957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140612403.

The product of its digits is 342921600, while the sum is 74.

The spelling of 2119387985957 in words is "two trillion, one hundred nineteen billion, three hundred eighty-seven million, nine hundred eighty-five thousand, nine hundred fifty-seven".