42526814897951 has 2 divisors, whose sum is σ = 42526814897952. Its totient is φ = 42526814897950.

The previous prime is 42526814897893. The next prime is 42526814897981. The reversal of 42526814897951 is 15979841862524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42526814897951 - 2¹⁴ = 42526814881567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42526814897981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21263407448975 + 21263407448976.

It is an arithmetic number, because the mean of its divisors is an integer number (21263407448976).

Almost surely, 2^{42526814897951} is an apocalyptic number.

42526814897951 is a deficient number, since it is larger than the sum of its proper divisors (1).

42526814897951 is an equidigital number, since it uses as much as digits as its factorization.

42526814897951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 348364800, while the sum is 71.

The spelling of 42526814897951 in words is "forty-two trillion, five hundred twenty-six billion, eight hundred fourteen million, eight hundred ninety-seven thousand, nine hundred fifty-one".