44121925867 has 2 divisors, whose sum is σ = 44121925868. Its totient is φ = 44121925866.

The previous prime is 44121925849. The next prime is 44121925877. The reversal of 44121925867 is 76852912144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44121925867 - 2⁷ = 44121925739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44121925867.

It is not a weakly prime, because it can be changed into another prime (44121925877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060962933 + 22060962934.

It is an arithmetic number, because the mean of its divisors is an integer number (22060962934).

Almost surely, 2^44121925867 is an apocalyptic number.

44121925867 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121925867 is an equidigital number, since it uses as much as digits as its factorization.

44121925867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The spelling of 44121925867 in words is "forty-four billion, one hundred twenty-one million, nine hundred twenty-five thousand, eight hundred sixty-seven".