6457244352851 has 2 divisors, whose sum is σ = 6457244352852. Its totient is φ = 6457244352850.

The previous prime is 6457244352847. The next prime is 6457244352863. The reversal of 6457244352851 is 1582534427546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6457244352851 - 2² = 6457244352847 is a prime.

It is a super-2 number, since 2×6457244352851² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6457244352451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228622176425 + 3228622176426.

It is an arithmetic number, because the mean of its divisors is an integer number (3228622176426).

Almost surely, 2^{6457244352851} is an apocalyptic number.

6457244352851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6457244352851 is an equidigital number, since it uses as much as digits as its factorization.

6457244352851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256000, while the sum is 56.

The spelling of 6457244352851 in words is "six trillion, four hundred fifty-seven billion, two hundred forty-four million, three hundred fifty-two thousand, eight hundred fifty-one".