1479491239 has 16 divisors (see below), whose sum is σ = 1562254848. Its totient is φ = 1399571712.

The previous prime is 1479491207. The next prime is 1479491267. The reversal of 1479491239 is 9321949741.

It is a cyclic number.

It is not a de Polignac number, because 1479491239 - 2⁵ = 1479491207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1479491192 and 1479491201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479491269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192264 + ... + 199810.

It is an arithmetic number, because the mean of its divisors is an integer number (97640928).

Almost surely, 2^1479491239 is an apocalyptic number.

1479491239 is a deficient number, since it is larger than the sum of its proper divisors (82763609).

1479491239 is an equidigital number, since it uses as much as digits as its factorization.

1479491239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734.

The product of its digits is 489888, while the sum is 49.

The square root of 1479491239 is about 38464.1552487508. The cubic root of 1479491239 is about 1139.4732456649.

The spelling of 1479491239 in words is "one billion, four hundred seventy-nine million, four hundred ninety-one thousand, two hundred thirty-nine".