1539654090047 has 4 divisors (see below), whose sum is σ = 1540473492720. Its totient is φ = 1538834687376.

The previous prime is 1539654090031. The next prime is 1539654090059. The reversal of 1539654090047 is 7400904569351.

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

It is a cyclic number.

It is not a de Polignac number, because 1539654090047 - 2⁴ = 1539654090031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539654090017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409698518 + ... + 409702275.

It is an arithmetic number, because the mean of its divisors is an integer number (385118373180).

Almost surely, 2^{1539654090047} is an apocalyptic number.

1539654090047 is a deficient number, since it is larger than the sum of its proper divisors (819402673).

1539654090047 is an equidigital number, since it uses as much as digits as its factorization.

1539654090047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819402672.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 1539654090047 in words is "one trillion, five hundred thirty-nine billion, six hundred fifty-four million, ninety thousand, forty-seven".