6454662951593 has 2 divisors, whose sum is σ = 6454662951594. Its totient is φ = 6454662951592.

The previous prime is 6454662951589. The next prime is 6454662951601. The reversal of 6454662951593 is 3951592664546.

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., 5472478884889 + 982184066704 = 2339333^2 + 991052^2 .

It is a cyclic number.

It is not a de Polignac number, because 6454662951593 - 2² = 6454662951589 is a prime.

It is a super-2 number, since 2×6454662951593² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6454662951523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227331475796 + 3227331475797.

It is an arithmetic number, because the mean of its divisors is an integer number (3227331475797).

Almost surely, 2^{6454662951593} is an apocalyptic number.

It is an amenable number.

6454662951593 is a deficient number, since it is larger than the sum of its proper divisors (1).

6454662951593 is an equidigital number, since it uses as much as digits as its factorization.

6454662951593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952000, while the sum is 65.

The spelling of 6454662951593 in words is "six trillion, four hundred fifty-four billion, six hundred sixty-two million, nine hundred fifty-one thousand, five hundred ninety-three".