6354164521 has 2 divisors, whose sum is σ = 6354164522. Its totient is φ = 6354164520.

The previous prime is 6354164503. The next prime is 6354164569. The reversal of 6354164521 is 1254614536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6342529600 + 11634921 = 79640^2 + 3411^2 .

It is a cyclic number.

It is not a de Polignac number, because 6354164521 - 2⁵ = 6354164489 is a prime.

It is not a weakly prime, because it can be changed into another prime (6354164821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3177082260 + 3177082261.

It is an arithmetic number, because the mean of its divisors is an integer number (3177082261).

Almost surely, 2^6354164521 is an apocalyptic number.

It is an amenable number.

6354164521 is a deficient number, since it is larger than the sum of its proper divisors (1).

6354164521 is an equidigital number, since it uses as much as digits as its factorization.

6354164521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 6354164521 is about 79713.0134984245. The cubic root of 6354164521 is about 1852.1926299619.

The spelling of 6354164521 in words is "six billion, three hundred fifty-four million, one hundred sixty-four thousand, five hundred twenty-one".