649054813058 has 8 divisors (see below), whose sum is σ = 978626687628. Its totient is φ = 322845917184.

The previous prime is 649054813009. The next prime is 649054813061. The reversal of 649054813058 is 850318450946.

It can be written as a sum of positive squares in 2 ways, for example, as 642814287049 + 6240526009 = 801757^2 + 78997^2 .

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

It is a super-3 number, since 3×649054813058³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840744191 + ... + 840744962.

Almost surely, 2^649054813058 is an apocalyptic number.

649054813058 is a deficient number, since it is larger than the sum of its proper divisors (329571874570).

649054813058 is a wasteful number, since it uses less digits than its factorization.

649054813058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681489348.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 649054813058 in words is "six hundred forty-nine billion, fifty-four million, eight hundred thirteen thousand, fifty-eight".