8940566347451 has 2 divisors, whose sum is σ = 8940566347452. Its totient is φ = 8940566347450.

The previous prime is 8940566347429. The next prime is 8940566347529. The reversal of 8940566347451 is 1547436650498.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8940566347451 is a prime.

It is a super-2 number, since 2×8940566347451² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8940566347151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4470283173725 + 4470283173726.

It is an arithmetic number, because the mean of its divisors is an integer number (4470283173726).

Almost surely, 2^{8940566347451} is an apocalyptic number.

8940566347451 is a deficient number, since it is larger than the sum of its proper divisors (1).

8940566347451 is an equidigital number, since it uses as much as digits as its factorization.

8940566347451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87091200, while the sum is 62.

The spelling of 8940566347451 in words is "eight trillion, nine hundred forty billion, five hundred sixty-six million, three hundred forty-seven thousand, four hundred fifty-one".