3812180497 has 4 divisors (see below), whose sum is σ = 3847154740. Its totient is φ = 3777206256.

The previous prime is 3812180473. The next prime is 3812180503. The reversal of 3812180497 is 7940812183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1867017681 + 1945162816 = 43209^2 + 44104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3812180497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3812180447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17486958 + ... + 17487175.

It is an arithmetic number, because the mean of its divisors is an integer number (961788685).

Almost surely, 2^3812180497 is an apocalyptic number.

It is an amenable number.

3812180497 is a deficient number, since it is larger than the sum of its proper divisors (34974243).

3812180497 is a wasteful number, since it uses less digits than its factorization.

3812180497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34974242.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 3812180497 is about 61742.8578622661. The cubic root of 3812180497 is about 1562.1563015936.

The spelling of 3812180497 in words is "three billion, eight hundred twelve million, one hundred eighty thousand, four hundred ninety-seven".