70022721849 has 32 divisors (see below), whose sum is σ = 97907466240. Its totient is φ = 44460057600.

The previous prime is 70022721763. The next prime is 70022721859. The reversal of 70022721849 is 94812722007.

It is not a de Polignac number, because 70022721849 - 2¹⁵ = 70022689081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70022721849.

It is not an unprimeable number, because it can be changed into a prime (70022721859) 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 31 ways as a sum of consecutive naturals, for example, 3800742 + ... + 3819120.

It is an arithmetic number, because the mean of its divisors is an integer number (3059608320).

Almost surely, 2^70022721849 is an apocalyptic number.

It is an amenable number.

70022721849 is a deficient number, since it is larger than the sum of its proper divisors (27884744391).

70022721849 is a wasteful number, since it uses less digits than its factorization.

70022721849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19061.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 70022721849 in words is "seventy billion, twenty-two million, seven hundred twenty-one thousand, eight hundred forty-nine".