6453508697 has 2 divisors, whose sum is σ = 6453508698. Its totient is φ = 6453508696.

The previous prime is 6453508681. The next prime is 6453508727. The reversal of 6453508697 is 7968053546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3328251481 + 3125257216 = 57691^2 + 55904^2 .

It is a cyclic number.

It is not a de Polignac number, because 6453508697 - 2⁴ = 6453508681 is a prime.

It is not a weakly prime, because it can be changed into another prime (6453508597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3226754348 + 3226754349.

It is an arithmetic number, because the mean of its divisors is an integer number (3226754349).

Almost surely, 2^6453508697 is an apocalyptic number.

It is an amenable number.

6453508697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6453508697 is an equidigital number, since it uses as much as digits as its factorization.

6453508697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The square root of 6453508697 is about 80333.7332445094. The cubic root of 6453508697 is about 1861.7954583506.

The spelling of 6453508697 in words is "six billion, four hundred fifty-three million, five hundred eight thousand, six hundred ninety-seven".