76109249345 has 16 divisors (see below), whose sum is σ = 92373961680. Its totient is φ = 60192405504.

The previous prime is 76109249329. The next prime is 76109249383. The reversal of 76109249345 is 54394290167.

It can be written as a sum of positive squares in 8 ways, for example, as 584865856 + 75524383489 = 24184^2 + 274817^2 .

It is a cyclic number.

It is not a de Polignac number, because 76109249345 - 2⁴ = 76109249329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76109249293 and 76109249302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208649 + ... + 3232281.

It is an arithmetic number, because the mean of its divisors is an integer number (5773372605).

Almost surely, 2^76109249345 is an apocalyptic number.

It is an amenable number.

76109249345 is a deficient number, since it is larger than the sum of its proper divisors (16264712335).

76109249345 is a wasteful number, since it uses less digits than its factorization.

76109249345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30964.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 76109249345 in words is "seventy-six billion, one hundred nine million, two hundred forty-nine thousand, three hundred forty-five".