690969069441 has 12 divisors (see below), whose sum is σ = 1140647352832. Its totient is φ = 394839468216.

The previous prime is 690969069407. The next prime is 690969069463. The reversal of 690969069441 is 144960969096.

It is not a de Polignac number, because 690969069441 - 2¹⁴ = 690969053057 is a prime.

It is a super-2 number, since 2×690969069441² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 10967763007 = 690969069441 / (6 + 9 + 0 + 9 + 6 + 9 + 0 + 6 + 9 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694969069441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5483881441 + ... + 5483881566.

Almost surely, 2^690969069441 is an apocalyptic number.

It is an amenable number.

690969069441 is a deficient number, since it is larger than the sum of its proper divisors (449678283391).

690969069441 is a wasteful number, since it uses less digits than its factorization.

690969069441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967763020 (or 10967763017 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 690969069441 in words is "six hundred ninety billion, nine hundred sixty-nine million, sixty-nine thousand, four hundred forty-one".