2408640006457 has 2 divisors, whose sum is σ = 2408640006458. Its totient is φ = 2408640006456.

The previous prime is 2408640006439. The next prime is 2408640006529. The reversal of 2408640006457 is 7546000468042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1977015972096 + 431624034361 = 1406064^2 + 656981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2408640006457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2408610006457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1204320003228 + 1204320003229.

It is an arithmetic number, because the mean of its divisors is an integer number (1204320003229).

Almost surely, 2^{2408640006457} is an apocalyptic number.

It is an amenable number.

2408640006457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2408640006457 is an equidigital number, since it uses as much as digits as its factorization.

2408640006457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 2408640006457 in words is "two trillion, four hundred eight billion, six hundred forty million, six thousand, four hundred fifty-seven".