3561131339492 has 6 divisors (see below), whose sum is σ = 6231979844118. Its totient is φ = 1780565669744.

The previous prime is 3561131339471. The next prime is 3561131339501. The reversal of 3561131339492 is 2949331311653.

It can be written as a sum of positive squares in only one way, i.e., 3525404291236 + 35727048256 = 1877606^2 + 189016^2 .

It is a super-2 number, since 2×3561131339492² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3561131339492.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445141417433 + ... + 445141417440.

It is an arithmetic number, because the mean of its divisors is an integer number (1038663307353).

Almost surely, 2^{3561131339492} is an apocalyptic number.

It is an amenable number.

3561131339492 is a deficient number, since it is larger than the sum of its proper divisors (2670848504626).

3561131339492 is a wasteful number, since it uses less digits than its factorization.

3561131339492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890282834877 (or 890282834875 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 50.

The spelling of 3561131339492 in words is "three trillion, five hundred sixty-one billion, one hundred thirty-one million, three hundred thirty-nine thousand, four hundred ninety-two".