621035144416225 has 96 divisors (see below), whose sum is σ = 960639644270592. Its totient is φ = 386922947040000.

The previous prime is 621035144416223. The next prime is 621035144416283. The reversal of 621035144416225 is 522614441530126.

It is not a de Polignac number, because 621035144416225 - 2¹ = 621035144416223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (621035144416223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49012316640 + ... + 49012329310.

It is an arithmetic number, because the mean of its divisors is an integer number (10006662961152).

Almost surely, 2^{621035144416225} is an apocalyptic number.

It is an amenable number.

621035144416225 is a deficient number, since it is larger than the sum of its proper divisors (339604499854367).

621035144416225 is a wasteful number, since it uses less digits than its factorization.

621035144416225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24887 (or 24882 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 621035144416225 in words is "six hundred twenty-one trillion, thirty-five billion, one hundred forty-four million, four hundred sixteen thousand, two hundred twenty-five".