690051614 has 24 divisors (see below), whose sum is σ = 1267445160. Its totient is φ = 280170576.

The previous prime is 690051613. The next prime is 690051619. The reversal of 690051614 is 416150096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690051613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183437 + ... + 187160.

It is an arithmetic number, because the mean of its divisors is an integer number (52810215).

Almost surely, 2^690051614 is an apocalyptic number.

690051614 is a deficient number, since it is larger than the sum of its proper divisors (577393546).

690051614 is a wasteful number, since it uses less digits than its factorization.

690051614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370632 (or 370625 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 690051614 is about 26268.8335104549. The cubic root of 690051614 is about 883.6776250242.

The spelling of 690051614 in words is "six hundred ninety million, fifty-one thousand, six hundred fourteen".