6662453431 has 2 divisors, whose sum is σ = 6662453432. Its totient is φ = 6662453430.

The previous prime is 6662453423. The next prime is 6662453449. The reversal of 6662453431 is 1343542666.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6662453431 - 2³ = 6662453423 is a prime.

It is a super-2 number, since 2×6662453431² = 88776571440487343522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6662453461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331226715 + 3331226716.

It is an arithmetic number, because the mean of its divisors is an integer number (3331226716).

Almost surely, 2^6662453431 is an apocalyptic number.

6662453431 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662453431 is an equidigital number, since it uses as much as digits as its factorization.

6662453431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 6662453431 is about 81623.8533211953. The cubic root of 6662453431 is about 1881.6754935533.

The spelling of 6662453431 in words is "six billion, six hundred sixty-two million, four hundred fifty-three thousand, four hundred thirty-one".