44389987675507 has 2 divisors, whose sum is σ = 44389987675508. Its totient is φ = 44389987675506.

The previous prime is 44389987675459. The next prime is 44389987675511. The reversal of 44389987675507 is 70557678998344.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44389987675507 is a prime.

It is not a weakly prime, because it can be changed into another prime (44389988675507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22194993837753 + 22194993837754.

It is an arithmetic number, because the mean of its divisors is an integer number (22194993837754).

Almost surely, 2^{44389987675507} is an apocalyptic number.

44389987675507 is a deficient number, since it is larger than the sum of its proper divisors (1).

44389987675507 is an equidigital number, since it uses as much as digits as its factorization.

44389987675507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12802406400, while the sum is 82.

The spelling of 44389987675507 in words is "forty-four trillion, three hundred eighty-nine billion, nine hundred eighty-seven million, six hundred seventy-five thousand, five hundred seven".