44633420651 has 2 divisors, whose sum is σ = 44633420652. Its totient is φ = 44633420650.

The previous prime is 44633420647. The next prime is 44633420677. The reversal of 44633420651 is 15602433644.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44633420651 - 2² = 44633420647 is a prime.

It is a super-2 number, since 2×44633420651² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44633420621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22316710325 + 22316710326.

It is an arithmetic number, because the mean of its divisors is an integer number (22316710326).

Almost surely, 2^44633420651 is an apocalyptic number.

44633420651 is a deficient number, since it is larger than the sum of its proper divisors (1).

44633420651 is an equidigital number, since it uses as much as digits as its factorization.

44633420651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 44633420651 in words is "forty-four billion, six hundred thirty-three million, four hundred twenty thousand, six hundred fifty-one".