76181293249 has 2 divisors, whose sum is σ = 76181293250. Its totient is φ = 76181293248.

The previous prime is 76181293189. The next prime is 76181293261. The reversal of 76181293249 is 94239218167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62732716225 + 13448577024 = 250465^2 + 115968^2 .

It is a cyclic number.

It is not a de Polignac number, because 76181293249 - 2¹¹ = 76181291201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76181293196 and 76181293205.

It is not a weakly prime, because it can be changed into another prime (76181293949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38090646624 + 38090646625.

It is an arithmetic number, because the mean of its divisors is an integer number (38090646625).

Almost surely, 2^76181293249 is an apocalyptic number.

It is an amenable number.

76181293249 is a deficient number, since it is larger than the sum of its proper divisors (1).

76181293249 is an equidigital number, since it uses as much as digits as its factorization.

76181293249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The spelling of 76181293249 in words is "seventy-six billion, one hundred eighty-one million, two hundred ninety-three thousand, two hundred forty-nine".