51346341451 has 2 divisors, whose sum is σ = 51346341452. Its totient is φ = 51346341450.

The previous prime is 51346341443. The next prime is 51346341469. The reversal of 51346341451 is 15414364315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51346341451 - 2³ = 51346341443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51346341451.

It is not a weakly prime, because it can be changed into another prime (51346341401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673170725 + 25673170726.

It is an arithmetic number, because the mean of its divisors is an integer number (25673170726).

Almost surely, 2^51346341451 is an apocalyptic number.

51346341451 is a deficient number, since it is larger than the sum of its proper divisors (1).

51346341451 is an equidigital number, since it uses as much as digits as its factorization.

51346341451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The spelling of 51346341451 in words is "fifty-one billion, three hundred forty-six million, three hundred forty-one thousand, four hundred fifty-one".