70444480551 has 32 divisors (see below), whose sum is σ = 97984857600. Its totient is φ = 44962512000.

The previous prime is 70444480549. The next prime is 70444480559. The reversal of 70444480551 is 15508444407.

It is not a de Polignac number, because 70444480551 - 2¹ = 70444480549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70444480559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4993630 + ... + 5007716.

It is an arithmetic number, because the mean of its divisors is an integer number (3062026800).

Almost surely, 2^70444480551 is an apocalyptic number.

70444480551 is a deficient number, since it is larger than the sum of its proper divisors (27540377049).

70444480551 is a wasteful number, since it uses less digits than its factorization.

70444480551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14599.

The product of its (nonzero) digits is 358400, while the sum is 42.

The spelling of 70444480551 in words is "seventy billion, four hundred forty-four million, four hundred eighty thousand, five hundred fifty-one".