44854630921 has 2 divisors, whose sum is σ = 44854630922. Its totient is φ = 44854630920.

The previous prime is 44854630871. The next prime is 44854630939. The reversal of 44854630921 is 12903645844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29150781696 + 15703849225 = 170736^2 + 125315^2 .

It is a cyclic number.

It is not a de Polignac number, because 44854630921 - 2¹⁵ = 44854598153 is a prime.

It is not a weakly prime, because it can be changed into another prime (44854630991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22427315460 + 22427315461.

It is an arithmetic number, because the mean of its divisors is an integer number (22427315461).

Almost surely, 2^44854630921 is an apocalyptic number.

It is an amenable number.

44854630921 is a deficient number, since it is larger than the sum of its proper divisors (1).

44854630921 is an equidigital number, since it uses as much as digits as its factorization.

44854630921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 44854630921 in words is "forty-four billion, eight hundred fifty-four million, six hundred thirty thousand, nine hundred twenty-one".