3541637631492 has 18 divisors (see below), whose sum is σ = 8952472901918. Its totient is φ = 1180545877152.

The previous prime is 3541637631487. The next prime is 3541637631529. The reversal of 3541637631492 is 2941367361453.

3541637631492 is a `hidden beast` number, since 3 + 54 + 1 + 6 + 3 + 76 + 31 + 492 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3327216772356 + 214420859136 = 1824066^2 + 463056^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3541637631492² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49189411513 + ... + 49189411584.

Almost surely, 2^{3541637631492} is an apocalyptic number.

It is an amenable number.

3541637631492 is an abundant number, since it is smaller than the sum of its proper divisors (5410835270426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3541637631492 is a wasteful number, since it uses less digits than its factorization.

3541637631492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98378823107 (or 98378823102 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 3541637631492 in words is "three trillion, five hundred forty-one billion, six hundred thirty-seven million, six hundred thirty-one thousand, four hundred ninety-two".