1539479795401 has 4 divisors (see below), whose sum is σ = 1575281651152. Its totient is φ = 1503677939652.

The previous prime is 1539479795377. The next prime is 1539479795417. The reversal of 1539479795401 is 1045979749351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1539479795401 - 2¹¹ = 1539479793353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1539471795401) 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, 17900927811 + ... + 17900927896.

It is an arithmetic number, because the mean of its divisors is an integer number (393820412788).

Almost surely, 2^{1539479795401} is an apocalyptic number.

It is an amenable number.

1539479795401 is a deficient number, since it is larger than the sum of its proper divisors (35801855751).

1539479795401 is an equidigital number, since it uses as much as digits as its factorization.

1539479795401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35801855750.

The product of its (nonzero) digits is 42865200, while the sum is 64.

The spelling of 1539479795401 in words is "one trillion, five hundred thirty-nine billion, four hundred seventy-nine million, seven hundred ninety-five thousand, four hundred one".