697966891245 has 72 divisors (see below), whose sum is σ = 1328482321920. Its totient is φ = 338774567040.

The previous prime is 697966891177. The next prime is 697966891261. The reversal of 697966891245 is 542198669796.

It is not a de Polignac number, because 697966891245 - 2⁸ = 697966890989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 106365 + ... + 1186274.

It is an arithmetic number, because the mean of its divisors is an integer number (18451143360).

Almost surely, 2^697966891245 is an apocalyptic number.

697966891245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

697966891245 is a deficient number, since it is larger than the sum of its proper divisors (630515430675).

697966891245 is a wasteful number, since it uses less digits than its factorization.

697966891245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292747 (or 1292731 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 72.

The spelling of 697966891245 in words is "six hundred ninety-seven billion, nine hundred sixty-six million, eight hundred ninety-one thousand, two hundred forty-five".