1539479795417 has 2 divisors, whose sum is σ = 1539479795418. Its totient is φ = 1539479795416.

The previous prime is 1539479795377. The next prime is 1539479795479. The reversal of 1539479795417 is 7145979749351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1524622379536 + 14857415881 = 1234756^2 + 121891^2 .

It is a cyclic number.

It is not a de Polignac number, because 1539479795417 - 2³⁶ = 1470760318681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1539479795717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769739897708 + 769739897709.

It is an arithmetic number, because the mean of its divisors is an integer number (769739897709).

Almost surely, 2^{1539479795417} is an apocalyptic number.

It is an amenable number.

1539479795417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1539479795417 is an equidigital number, since it uses as much as digits as its factorization.

1539479795417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300056400, while the sum is 71.

The spelling of 1539479795417 in words is "one trillion, five hundred thirty-nine billion, four hundred seventy-nine million, seven hundred ninety-five thousand, four hundred seventeen".