51234004665419 has 2 divisors, whose sum is σ = 51234004665420. Its totient is φ = 51234004665418.

The previous prime is 51234004665329. The next prime is 51234004665433. The reversal of 51234004665419 is 91456640043215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51234004665419 - 2²⁴ = 51233987888203 is a prime.

It is a super-2 number, since 2×51234004665419² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51234004665469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617002332709 + 25617002332710.

It is an arithmetic number, because the mean of its divisors is an integer number (25617002332710).

Almost surely, 2^{51234004665419} is an apocalyptic number.

51234004665419 is a deficient number, since it is larger than the sum of its proper divisors (1).

51234004665419 is an equidigital number, since it uses as much as digits as its factorization.

51234004665419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 51234004665419 in words is "fifty-one trillion, two hundred thirty-four billion, four million, six hundred sixty-five thousand, four hundred nineteen".