1797387411457 has 24 divisors (see below), whose sum is σ = 2073883206528. Its totient is φ = 1553586217920.

The previous prime is 1797387411419. The next prime is 1797387411467. The reversal of 1797387411457 is 7541147837971.

It is a de Polignac number, because none of the positive numbers 2^k-1797387411457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1797387411467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1468908 + ... + 2398429.

It is an arithmetic number, because the mean of its divisors is an integer number (86411800272).

Almost surely, 2^{1797387411457} is an apocalyptic number.

It is an amenable number.

1797387411457 is a deficient number, since it is larger than the sum of its proper divisors (276495795071).

1797387411457 is a wasteful number, since it uses less digits than its factorization.

1797387411457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867549 (or 3867538 counting only the distinct ones).

The product of its digits is 41489280, while the sum is 64.

The spelling of 1797387411457 in words is "one trillion, seven hundred ninety-seven billion, three hundred eighty-seven million, four hundred eleven thousand, four hundred fifty-seven".