4407621497 has 2 divisors, whose sum is σ = 4407621498. Its totient is φ = 4407621496.

The previous prime is 4407621443. The next prime is 4407621527. The reversal of 4407621497 is 7941267044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3933296656 + 474324841 = 62716^2 + 21779^2 .

It is a cyclic number.

It is not a de Polignac number, because 4407621497 - 2²⁶ = 4340512633 is a prime.

It is not a weakly prime, because it can be changed into another prime (4407621797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203810748 + 2203810749.

It is an arithmetic number, because the mean of its divisors is an integer number (2203810749).

Almost surely, 2^4407621497 is an apocalyptic number.

It is an amenable number.

4407621497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4407621497 is an equidigital number, since it uses as much as digits as its factorization.

4407621497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 4407621497 is about 66389.9201460583. The cubic root of 4407621497 is about 1639.5881249301.

The spelling of 4407621497 in words is "four billion, four hundred seven million, six hundred twenty-one thousand, four hundred ninety-seven".