13541649290404 has 9 divisors (see below), whose sum is σ = 23697899137857. Its totient is φ = 6770820965304.

The previous prime is 13541649290381. The next prime is 13541649290413. The reversal of 13541649290404 is 40409294614531.

It is a happy number.

The square root of 13541649290404 is 3679898.

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

It can be written as a sum of positive squares in only one way, i.e., 9045044220004 + 4496605070400 = 3007498^2 + 2120520^2 .

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 6439822 + ... + 8279770.

Almost surely, 2^{13541649290404} is an apocalyptic number.

13541649290404 is the 3679898-th square number.

It is an amenable number.

13541649290404 is a deficient number, since it is larger than the sum of its proper divisors (10156249847453).

13541649290404 is an frugal number, since it uses more digits than its factorization.

13541649290404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679902 (or 1839951 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 13541649290404 in words is "thirteen trillion, five hundred forty-one billion, six hundred forty-nine million, two hundred ninety thousand, four hundred four".