49479010681 has 4 divisors (see below), whose sum is σ = 50629685392. Its totient is φ = 48328335972.

The previous prime is 49479010639. The next prime is 49479010709. The reversal of 49479010681 is 18601097494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49479010681 - 2¹⁷ = 49478879609 is a prime.

It is a super-2 number, since 2×49479010681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49479020681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575337291 + ... + 575337376.

It is an arithmetic number, because the mean of its divisors is an integer number (12657421348).

Almost surely, 2^49479010681 is an apocalyptic number.

It is an amenable number.

49479010681 is a deficient number, since it is larger than the sum of its proper divisors (1150674711).

49479010681 is a wasteful number, since it uses less digits than its factorization.

49479010681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150674710.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 49479010681 in words is "forty-nine billion, four hundred seventy-nine million, ten thousand, six hundred eighty-one".