1379049725 has 24 divisors (see below), whose sum is σ = 1767886848. Its totient is φ = 1066017600.

The previous prime is 1379049713. The next prime is 1379049733. The reversal of 1379049725 is 5279409731.

It is not a de Polignac number, because 1379049725 - 2¹⁰ = 1379048701 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1379049725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841607 + ... + 843243.

It is an arithmetic number, because the mean of its divisors is an integer number (73661952).

Almost surely, 2^1379049725 is an apocalyptic number.

It is an amenable number.

1379049725 is a deficient number, since it is larger than the sum of its proper divisors (388837123).

1379049725 is a wasteful number, since it uses less digits than its factorization.

1379049725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 1379049725 is about 37135.5587678441. The cubic root of 1379049725 is about 1113.0806731706.

The spelling of 1379049725 in words is "one billion, three hundred seventy-nine million, forty-nine thousand, seven hundred twenty-five".