8464402501 has 2 divisors, whose sum is σ = 8464402502. Its totient is φ = 8464402500.

The previous prime is 8464402483. The next prime is 8464402543. The reversal of 8464402501 is 1052044648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4992129025 + 3472273476 = 70655^2 + 58926^2 .

It is a cyclic number.

It is not a de Polignac number, because 8464402501 - 2²³ = 8456013893 is a prime.

It is a super-2 number, since 2×8464402501² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8464402591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232201250 + 4232201251.

It is an arithmetic number, because the mean of its divisors is an integer number (4232201251).

Almost surely, 2^8464402501 is an apocalyptic number.

It is an amenable number.

8464402501 is a deficient number, since it is larger than the sum of its proper divisors (1).

8464402501 is an equidigital number, since it uses as much as digits as its factorization.

8464402501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 8464402501 is about 92002.1874794290. The cubic root of 8464402501 is about 2037.9746094292.

The spelling of 8464402501 in words is "eight billion, four hundred sixty-four million, four hundred two thousand, five hundred one".