697490992575 has 48 divisors (see below), whose sum is σ = 1379879633440. Its totient is φ = 343380176640.

The previous prime is 697490992553. The next prime is 697490992603. The reversal of 697490992575 is 575299094796.

697490992575 is a `hidden beast` number, since 6 + 9 + 7 + 49 + 0 + 9 + 9 + 2 + 575 = 666.

It is not a de Polignac number, because 697490992575 - 2⁷ = 697490992447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39734302 + ... + 39751851.

Almost surely, 2^697490992575 is an apocalyptic number.

697490992575 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

697490992575 is a deficient number, since it is larger than the sum of its proper divisors (682388640865).

697490992575 is a wasteful number, since it uses less digits than its factorization.

697490992575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79486185 (or 79486174 counting only the distinct ones).

The product of its (nonzero) digits is 385786800, while the sum is 72.

The spelling of 697490992575 in words is "six hundred ninety-seven billion, four hundred ninety million, nine hundred ninety-two thousand, five hundred seventy-five".