44633420649 has 6 divisors (see below), whose sum is σ = 64470496506. Its totient is φ = 29755613760.

The previous prime is 44633420647. The next prime is 44633420651. The reversal of 44633420649 is 94602433644.

It is a happy number.

44633420649 is a `hidden beast` number, since 4 + 4 + 633 + 4 + 2 + 0 + 6 + 4 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (44633420647) and next prime (44633420651).

It can be written as a sum of positive squares in only one way, i.e., 28685519424 + 15947901225 = 169368^2 + 126285^2 .

It is not a de Polignac number, because 44633420649 - 2¹ = 44633420647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44633420641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2479634472 + ... + 2479634489.

It is an arithmetic number, because the mean of its divisors is an integer number (10745082751).

Almost surely, 2^44633420649 is an apocalyptic number.

It is an amenable number.

44633420649 is a deficient number, since it is larger than the sum of its proper divisors (19837075857).

44633420649 is a wasteful number, since it uses less digits than its factorization.

44633420649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959268967 (or 4959268964 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 44633420649 in words is "forty-four billion, six hundred thirty-three million, four hundred twenty thousand, six hundred forty-nine".