649426124235 has 32 divisors (see below), whose sum is σ = 1239153454080. Its totient is φ = 283972664448.

The previous prime is 649426124231. The next prime is 649426124261. The reversal of 649426124235 is 532421624946.

It is not a de Polignac number, because 649426124235 - 2² = 649426124231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (649426124231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134454340 + ... + 134459169.

It is an arithmetic number, because the mean of its divisors is an integer number (38723545440).

Almost surely, 2^649426124235 is an apocalyptic number.

649426124235 is a deficient number, since it is larger than the sum of its proper divisors (589727329845).

649426124235 is a wasteful number, since it uses less digits than its factorization.

649426124235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268913547.

The product of its digits is 2488320, while the sum is 48.

The spelling of 649426124235 in words is "six hundred forty-nine billion, four hundred twenty-six million, one hundred twenty-four thousand, two hundred thirty-five".