690494232763 has 16 divisors (see below), whose sum is σ = 734183294976. Its totient is φ = 647946613600.

The previous prime is 690494232721. The next prime is 690494232823. The reversal of 690494232763 is 367232494096.

It is a cyclic number.

It is not a de Polignac number, because 690494232763 - 2¹³ = 690494224571 is a prime.

It is a super-2 number, since 2×690494232763² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690494239763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15980238 + ... + 16023388.

It is an arithmetic number, because the mean of its divisors is an integer number (45886455936).

Almost surely, 2^690494232763 is an apocalyptic number.

690494232763 is a deficient number, since it is larger than the sum of its proper divisors (43689062213).

690494232763 is a wasteful number, since it uses less digits than its factorization.

690494232763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56354.

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 690494232763 in words is "six hundred ninety billion, four hundred ninety-four million, two hundred thirty-two thousand, seven hundred sixty-three".