690649010495 has 16 divisors (see below), whose sum is σ = 838480896000. Its totient is φ = 546084239904.

The previous prime is 690649010479. The next prime is 690649010503. The reversal of 690649010495 is 594010946096.

It is a cyclic number.

It is not a de Polignac number, because 690649010495 - 2⁴ = 690649010479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1900745 + ... + 2234754.

It is an arithmetic number, because the mean of its divisors is an integer number (52405056000).

Almost surely, 2^690649010495 is an apocalyptic number.

690649010495 is a deficient number, since it is larger than the sum of its proper divisors (147831885505).

690649010495 is a wasteful number, since it uses less digits than its factorization.

690649010495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135894.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 690649010495 in words is "six hundred ninety billion, six hundred forty-nine million, ten thousand, four hundred ninety-five".