649295008951 has 8 divisors (see below), whose sum is σ = 649693230480. Its totient is φ = 648896879232.

The previous prime is 649295008933. The next prime is 649295008987. The reversal of 649295008951 is 159800592946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 649295008951 - 2⁵ = 649295008919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649295008991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18489856 + ... + 18524938.

It is an arithmetic number, because the mean of its divisors is an integer number (81211653810).

Almost surely, 2^649295008951 is an apocalyptic number.

649295008951 is a deficient number, since it is larger than the sum of its proper divisors (398221529).

649295008951 is a wasteful number, since it uses less digits than its factorization.

649295008951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45905.

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 649295008951 in words is "six hundred forty-nine billion, two hundred ninety-five million, eight thousand, nine hundred fifty-one".