1379513497 has 16 divisors (see below), whose sum is σ = 1427374080. Its totient is φ = 1332546768.

The previous prime is 1379513489. The next prime is 1379513503. The reversal of 1379513497 is 7943159731.

It is a cyclic number.

It is not a de Polignac number, because 1379513497 - 2³ = 1379513489 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 1379513497.

It is not an unprimeable number, because it can be changed into a prime (1379513477) 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, 1426108 + ... + 1427074.

It is an arithmetic number, because the mean of its divisors is an integer number (89210880).

Almost surely, 2^1379513497 is an apocalyptic number.

It is an amenable number.

1379513497 is a deficient number, since it is larger than the sum of its proper divisors (47860583).

1379513497 is a wasteful number, since it uses less digits than its factorization.

1379513497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its digits is 714420, while the sum is 49.

The square root of 1379513497 is about 37141.8025545342. The cubic root of 1379513497 is about 1113.2054348777.

The spelling of 1379513497 in words is "one billion, three hundred seventy-nine million, five hundred thirteen thousand, four hundred ninety-seven".