76434554513 has 2 divisors, whose sum is σ = 76434554514. Its totient is φ = 76434554512.

The previous prime is 76434554509. The next prime is 76434554551. The reversal of 76434554513 is 31545543467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73220571649 + 3213982864 = 270593^2 + 56692^2 .

It is a cyclic number.

It is not a de Polignac number, because 76434554513 - 2² = 76434554509 is a prime.

It is a super-2 number, since 2×76434554513² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76434554213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38217277256 + 38217277257.

It is an arithmetic number, because the mean of its divisors is an integer number (38217277257).

Almost surely, 2^76434554513 is an apocalyptic number.

It is an amenable number.

76434554513 is a deficient number, since it is larger than the sum of its proper divisors (1).

76434554513 is an equidigital number, since it uses as much as digits as its factorization.

76434554513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 47.

The spelling of 76434554513 in words is "seventy-six billion, four hundred thirty-four million, five hundred fifty-four thousand, five hundred thirteen".