1697431020892 has 12 divisors (see below), whose sum is σ = 3033706505760. Its totient is φ = 830657733536.

The previous prime is 1697431020853. The next prime is 1697431020899. The reversal of 1697431020892 is 2980201347961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1697431020899) 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, 4514444017 + ... + 4514444392.

It is an arithmetic number, because the mean of its divisors is an integer number (252808875480).

Almost surely, 2^{1697431020892} is an apocalyptic number.

It is an amenable number.

1697431020892 is a deficient number, since it is larger than the sum of its proper divisors (1336275484868).

1697431020892 is a wasteful number, since it uses less digits than its factorization.

1697431020892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9028888460 (or 9028888458 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 1697431020892 in words is "one trillion, six hundred ninety-seven billion, four hundred thirty-one million, twenty thousand, eight hundred ninety-two".