690601311 has 6 divisors (see below), whose sum is σ = 997535240. Its totient is φ = 460400868.

The previous prime is 690601283. The next prime is 690601333. The reversal of 690601311 is 113106096.

It is not a de Polignac number, because 690601311 - 2²⁵ = 657046879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690601211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38366731 + ... + 38366748.

Almost surely, 2^690601311 is an apocalyptic number.

690601311 is a deficient number, since it is larger than the sum of its proper divisors (306933929).

690601311 is a wasteful number, since it uses less digits than its factorization.

690601311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76733485 (or 76733482 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 690601311 is about 26279.2943398410. The cubic root of 690601311 is about 883.9122094147.

The spelling of 690601311 in words is "six hundred ninety million, six hundred one thousand, three hundred eleven".