76196436109249 has 3 divisors (see below), whose sum is σ = 76196444838307. Its totient is φ = 76196427380192.

The previous prime is 76196436109223. The next prime is 76196436109271. The reversal of 76196436109249 is 94290163469167.

The square root of 76196436109249 is 8729057.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1923616433025 + 74272819676224 = 1386945^2 + 8618168^2 .

It is not a de Polignac number, because 76196436109249 - 2²⁵ = 76196402554817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76196436109289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4364529 + ... + 13093585.

Almost surely, 2^{76196436109249} is an apocalyptic number.

76196436109249 is the 8729057-th square number.

76196436109249 is the 4364529-th centered octagonal number.

It is an amenable number.

76196436109249 is a deficient number, since it is larger than the sum of its proper divisors (8729058).

76196436109249 is an frugal number, since it uses more digits than its factorization.

76196436109249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458114 (or 8729057 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 67.

The spelling of 76196436109249 in words is "seventy-six trillion, one hundred ninety-six billion, four hundred thirty-six million, one hundred nine thousand, two hundred forty-nine".