93507439945 has 4 divisors (see below), whose sum is σ = 112208927940. Its totient is φ = 74805951952.

The previous prime is 93507439913. The next prime is 93507439973. The reversal of 93507439945 is 54993470539.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57490611984 + 36016827961 = 239772^2 + 189781^2 .

It is a cyclic number.

It is not a de Polignac number, because 93507439945 - 2⁵ = 93507439913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93507439945.

It is an unprimeable number.

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, 9350743990 + ... + 9350743999.

It is an arithmetic number, because the mean of its divisors is an integer number (28052231985).

Almost surely, 2^93507439945 is an apocalyptic number.

It is an amenable number.

93507439945 is a deficient number, since it is larger than the sum of its proper divisors (18701487995).

93507439945 is a wasteful number, since it uses less digits than its factorization.

93507439945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18701487994.

The product of its (nonzero) digits is 18370800, while the sum is 58.

The spelling of 93507439945 in words is "ninety-three billion, five hundred seven million, four hundred thirty-nine thousand, nine hundred forty-five".