49490064351 has 144 divisors (see below), whose sum is σ = 94169764416. Its totient is φ = 24381305856.

The previous prime is 49490064343. The next prime is 49490064419. The reversal of 49490064351 is 15346009494.

It is not a de Polignac number, because 49490064351 - 2³ = 49490064343 is a prime.

It is a super-2 number, since 2×49490064351² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49490064297 and 49490064306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49490064311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21581961 + ... + 21584253.

Almost surely, 2^49490064351 is an apocalyptic number.

49490064351 is a deficient number, since it is larger than the sum of its proper divisors (44679700065).

49490064351 is a wasteful number, since it uses less digits than its factorization.

49490064351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 49490064351 in words is "forty-nine billion, four hundred ninety million, sixty-four thousand, three hundred fifty-one".