690620463 has 24 divisors (see below), whose sum is σ = 1099290192. Its totient is φ = 415110528.

The previous prime is 690620431. The next prime is 690620473. The reversal of 690620463 is 364026096.

It is not a de Polignac number, because 690620463 - 2⁵ = 690620431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690620473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63606 + ... + 73667.

It is an arithmetic number, because the mean of its divisors is an integer number (45803758).

Almost surely, 2^690620463 is an apocalyptic number.

690620463 is a deficient number, since it is larger than the sum of its proper divisors (408669729).

690620463 is a wasteful number, since it uses less digits than its factorization.

690620463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137335 (or 137332 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 690620463 is about 26279.6587306609. The cubic root of 690620463 is about 883.9203803280.

The spelling of 690620463 in words is "six hundred ninety million, six hundred twenty thousand, four hundred sixty-three".