649686137114 has 16 divisors (see below), whose sum is σ = 1113763089600. Its totient is φ = 278433059424.

The previous prime is 649686137059. The next prime is 649686137129. The reversal of 649686137114 is 411731686946.

649686137114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×649686137114² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 649686137114.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880517 + ... + 1440375.

It is an arithmetic number, because the mean of its divisors is an integer number (69610193100).

Almost surely, 2^649686137114 is an apocalyptic number.

649686137114 is a deficient number, since it is larger than the sum of its proper divisors (464076952486).

649686137114 is a wasteful number, since it uses less digits than its factorization.

649686137114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642757.

The product of its digits is 5225472, while the sum is 56.

The spelling of 649686137114 in words is "six hundred forty-nine billion, six hundred eighty-six million, one hundred thirty-seven thousand, one hundred fourteen".