690930994463 has 2 divisors, whose sum is σ = 690930994464. Its totient is φ = 690930994462.

The previous prime is 690930994433. The next prime is 690930994499. The reversal of 690930994463 is 364499039096.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 690930994463 - 2¹⁰ = 690930993439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690930994396 and 690930994405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690930994433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345465497231 + 345465497232.

It is an arithmetic number, because the mean of its divisors is an integer number (345465497232).

Almost surely, 2^690930994463 is an apocalyptic number.

690930994463 is a deficient number, since it is larger than the sum of its proper divisors (1).

690930994463 is an equidigital number, since it uses as much as digits as its factorization.

690930994463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34012224, while the sum is 62.

The spelling of 690930994463 in words is "six hundred ninety billion, nine hundred thirty million, nine hundred ninety-four thousand, four hundred sixty-three".