44851892609 has 2 divisors, whose sum is σ = 44851892610. Its totient is φ = 44851892608.

The previous prime is 44851892593. The next prime is 44851892621. The reversal of 44851892609 is 90629815844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24473473600 + 20378419009 = 156440^2 + 142753^2 .

It is a cyclic number.

It is not a de Polignac number, because 44851892609 - 2⁴ = 44851892593 is a prime.

It is not a weakly prime, because it can be changed into another prime (44851892629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22425946304 + 22425946305.

It is an arithmetic number, because the mean of its divisors is an integer number (22425946305).

Almost surely, 2^44851892609 is an apocalyptic number.

It is an amenable number.

44851892609 is a deficient number, since it is larger than the sum of its proper divisors (1).

44851892609 is an equidigital number, since it uses as much as digits as its factorization.

44851892609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 44851892609 in words is "forty-four billion, eight hundred fifty-one million, eight hundred ninety-two thousand, six hundred nine".