13431066013451 has 2 divisors, whose sum is σ = 13431066013452. Its totient is φ = 13431066013450.

The previous prime is 13431066013423. The next prime is 13431066013489. The reversal of 13431066013451 is 15431066013431.

It is an a-pointer prime, because the next prime (13431066013489) can be obtained adding 13431066013451 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13431066013451 - 2³⁸ = 13156188106507 is a prime.

It is not a weakly prime, because it can be changed into another prime (13431066013151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715533006725 + 6715533006726.

It is an arithmetic number, because the mean of its divisors is an integer number (6715533006726).

Almost surely, 2^{13431066013451} is an apocalyptic number.

13431066013451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431066013451 is an equidigital number, since it uses as much as digits as its factorization.

13431066013451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 13431066013451 in words is "thirteen trillion, four hundred thirty-one billion, sixty-six million, thirteen thousand, four hundred fifty-one".