690634363 has 12 divisors (see below), whose sum is σ = 759976840. Its totient is φ = 625828896.

The previous prime is 690634339. The next prime is 690634369. The reversal of 690634363 is 363436096.

It is not a de Polignac number, because 690634363 - 2⁵ = 690634331 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690634369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24306 + ... + 44407.

Almost surely, 2^690634363 is an apocalyptic number.

690634363 is a deficient number, since it is larger than the sum of its proper divisors (69342477).

690634363 is a wasteful number, since it uses less digits than its factorization.

690634363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68778 (or 68755 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 40.

The square root of 690634363 is about 26279.9231924296. The cubic root of 690634363 is about 883.9263104596.

The spelling of 690634363 in words is "six hundred ninety million, six hundred thirty-four thousand, three hundred sixty-three".