44949774981 has 8 divisors (see below), whose sum is σ = 59934051360. Its totient is φ = 29966007632.

The previous prime is 44949774967. The next prime is 44949775001. The reversal of 44949774981 is 18947794944.

44949774981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44949774981 - 2⁷ = 44949774853 is a prime.

It is a super-2 number, since 2×44949774981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44949774901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196351 + ... + 358403.

It is an arithmetic number, because the mean of its divisors is an integer number (7491756420).

Almost surely, 2^44949774981 is an apocalyptic number.

It is an amenable number.

44949774981 is a deficient number, since it is larger than the sum of its proper divisors (14984276379).

44949774981 is a wasteful number, since it uses less digits than its factorization.

44949774981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254515.

The product of its digits is 73156608, while the sum is 66.

The spelling of 44949774981 in words is "forty-four billion, nine hundred forty-nine million, seven hundred seventy-four thousand, nine hundred eighty-one".