691295579463 has 16 divisors (see below), whose sum is σ = 922261328352. Its totient is φ = 460596864000.

The previous prime is 691295579461. The next prime is 691295579479. The reversal of 691295579463 is 364975592196.

It is not a de Polignac number, because 691295579463 - 2¹ = 691295579461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 691295579394 and 691295579403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (691295579461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50375443 + ... + 50389163.

It is an arithmetic number, because the mean of its divisors is an integer number (57641333022).

Almost surely, 2^691295579463 is an apocalyptic number.

691295579463 is a deficient number, since it is larger than the sum of its proper divisors (230965748889).

691295579463 is a wasteful number, since it uses less digits than its factorization.

691295579463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226.

The product of its digits is 110224800, while the sum is 66.

The spelling of 691295579463 in words is "six hundred ninety-one billion, two hundred ninety-five million, five hundred seventy-nine thousand, four hundred sixty-three".