649020884315 has 16 divisors (see below), whose sum is σ = 784377834240. Its totient is φ = 515527649280.

The previous prime is 649020884231. The next prime is 649020884327. The reversal of 649020884315 is 513488020946.

649020884315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 649020884315 - 2⁸ = 649020884059 is a prime.

It is a super-2 number, since 2×649020884315² (a number of 24 digits) contains 22 as substring.

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, 393035 + ... + 1205204.

It is an arithmetic number, because the mean of its divisors is an integer number (49023614640).

Almost surely, 2^649020884315 is an apocalyptic number.

649020884315 is a deficient number, since it is larger than the sum of its proper divisors (135356949925).

649020884315 is a wasteful number, since it uses less digits than its factorization.

649020884315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598822.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 649020884315 in words is "six hundred forty-nine billion, twenty million, eight hundred eighty-four thousand, three hundred fifteen".