6145864685497 has 2 divisors, whose sum is σ = 6145864685498. Its totient is φ = 6145864685496.

The previous prime is 6145864685419. The next prime is 6145864685617. The reversal of 6145864685497 is 7945864685416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3925395150121 + 2220469535376 = 1981261^2 + 1490124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6145864685497 is a prime.

It is not a weakly prime, because it can be changed into another prime (6145864685197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3072932342748 + 3072932342749.

It is an arithmetic number, because the mean of its divisors is an integer number (3072932342749).

Almost surely, 2^{6145864685497} is an apocalyptic number.

It is an amenable number.

6145864685497 is a deficient number, since it is larger than the sum of its proper divisors (1).

6145864685497 is an equidigital number, since it uses as much as digits as its factorization.

6145864685497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1393459200, while the sum is 73.

The spelling of 6145864685497 in words is "six trillion, one hundred forty-five billion, eight hundred sixty-four million, six hundred eighty-five thousand, four hundred ninety-seven".