649724620034 has 32 divisors (see below), whose sum is σ = 1118565728640. Its totient is φ = 277266198528.

The previous prime is 649724620009. The next prime is 649724620043. The reversal of 649724620034 is 430026427946.

It is a super-2 number, since 2×649724620034² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10002449 + ... + 10067195.

It is an arithmetic number, because the mean of its divisors is an integer number (34955179020).

Almost surely, 2^649724620034 is an apocalyptic number.

649724620034 is a deficient number, since it is larger than the sum of its proper divisors (468841108606).

649724620034 is a wasteful number, since it uses less digits than its factorization.

649724620034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67802.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 649724620034 in words is "six hundred forty-nine billion, seven hundred twenty-four million, six hundred twenty thousand, thirty-four".