6453686377 has 2 divisors, whose sum is σ = 6453686378. Its totient is φ = 6453686376.

The previous prime is 6453686363. The next prime is 6453686413. The reversal of 6453686377 is 7736863546.

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., 4254170176 + 2199516201 = 65224^2 + 46899^2 .

It is a cyclic number.

It is not a de Polignac number, because 6453686377 - 2¹¹ = 6453684329 is a prime.

It is a super-2 number, since 2×6453686377² = 83300135705350772258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6453686177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3226843188 + 3226843189.

It is an arithmetic number, because the mean of its divisors is an integer number (3226843189).

Almost surely, 2^6453686377 is an apocalyptic number.

It is an amenable number.

6453686377 is a deficient number, since it is larger than the sum of its proper divisors (1).

6453686377 is an equidigital number, since it uses as much as digits as its factorization.

6453686377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 55.

The square root of 6453686377 is about 80334.8391235086. The cubic root of 6453686377 is about 1861.8125447035.

The spelling of 6453686377 in words is "six billion, four hundred fifty-three million, six hundred eighty-six thousand, three hundred seventy-seven".