44901609987 has 16 divisors (see below), whose sum is σ = 65531062688. Its totient is φ = 27178778880.

The previous prime is 44901609959. The next prime is 44901610001. The reversal of 44901609987 is 78990610944.

It is not a de Polignac number, because 44901609987 - 2⁷ = 44901609859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44901604987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9434698 + ... + 9439455.

It is an arithmetic number, because the mean of its divisors is an integer number (4095691418).

Almost surely, 2^44901609987 is an apocalyptic number.

44901609987 is a deficient number, since it is larger than the sum of its proper divisors (20629452701).

44901609987 is a wasteful number, since it uses less digits than its factorization.

44901609987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874230.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 44901609987 in words is "forty-four billion, nine hundred one million, six hundred nine thousand, nine hundred eighty-seven".