1359491579 has 4 divisors (see below), whose sum is σ = 1364131776. Its totient is φ = 1354851384.

The previous prime is 1359491563. The next prime is 1359491641. The reversal of 1359491579 is 9751949531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9751949531 = 389 ⋅25069279.

It is a cyclic number.

It is not a de Polignac number, because 1359491579 - 2⁴ = 1359491563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1359491579.

It is not an unprimeable number, because it can be changed into a prime (1359491509) 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, 2319659 + ... + 2320244.

It is an arithmetic number, because the mean of its divisors is an integer number (341032944).

Almost surely, 2^1359491579 is an apocalyptic number.

1359491579 is a deficient number, since it is larger than the sum of its proper divisors (4640197).

1359491579 is an equidigital number, since it uses as much as digits as its factorization.

1359491579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640196.

The product of its digits is 1530900, while the sum is 53.

The square root of 1359491579 is about 36871.2839347913. The cubic root of 1359491579 is about 1107.7935714669.

The spelling of 1359491579 in words is "one billion, three hundred fifty-nine million, four hundred ninety-one thousand, five hundred seventy-nine".