690765791433 has 16 divisors (see below), whose sum is σ = 997877808576. Its totient is φ = 423342097920.

The previous prime is 690765791431. The next prime is 690765791447. The reversal of 690765791433 is 334197567096.

It is a happy number.

It is not a de Polignac number, because 690765791433 - 2¹ = 690765791431 is a prime.

It is a super-2 number, since 2×690765791433² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (690765791431) 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, 157491148 + ... + 157495533.

It is an arithmetic number, because the mean of its divisors is an integer number (62367363036).

Almost surely, 2^690765791433 is an apocalyptic number.

It is an amenable number.

690765791433 is a deficient number, since it is larger than the sum of its proper divisors (307112017143).

690765791433 is a wasteful number, since it uses less digits than its factorization.

690765791433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314986744.

The product of its (nonzero) digits is 25719120, while the sum is 60.

The spelling of 690765791433 in words is "six hundred ninety billion, seven hundred sixty-five million, seven hundred ninety-one thousand, four hundred thirty-three".