1957957246897 has 8 divisors (see below), whose sum is σ = 1987552497056. Its totient is φ = 1928372938272.

The previous prime is 1957957246871. The next prime is 1957957246933. The reversal of 1957957246897 is 7986427597591.

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 1957957246897 - 2⁷ = 1957957246769 is a prime.

It is a super-2 number, since 2×1957957246897² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1957957246697) 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, 2374428 + ... + 3090925.

It is an arithmetic number, because the mean of its divisors is an integer number (248444062132).

Almost surely, 2^{1957957246897} is an apocalyptic number.

It is an amenable number.

1957957246897 is a deficient number, since it is larger than the sum of its proper divisors (29595250159).

1957957246897 is an equidigital number, since it uses as much as digits as its factorization.

1957957246897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470767.

The product of its digits is 2400451200, while the sum is 79.

The spelling of 1957957246897 in words is "one trillion, nine hundred fifty-seven billion, nine hundred fifty-seven million, two hundred forty-six thousand, eight hundred ninety-seven".