1957491079000 has 64 divisors (see below), whose sum is σ = 4580802720000. Its totient is φ = 782949664000.

The previous prime is 1957491078941. The next prime is 1957491079051. The reversal of 1957491079000 is 9701947591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20200665 + ... + 20297335.

It is an arithmetic number, because the mean of its divisors is an integer number (71575042500).

Almost surely, 2^{1957491079000} is an apocalyptic number.

1957491079000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1957491079000 is an abundant number, since it is smaller than the sum of its proper divisors (2623311641000).

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

1957491079000 is a wasteful number, since it uses less digits than its factorization.

1957491079000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116941 (or 116927 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 52.

The spelling of 1957491079000 in words is "one trillion, nine hundred fifty-seven billion, four hundred ninety-one million, seventy-nine thousand".