1379074971 has 4 divisors (see below), whose sum is σ = 1838766632. Its totient is φ = 919383312.

The previous prime is 1379074951. The next prime is 1379074979. The reversal of 1379074971 is 1794709731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1379074971 - 2⁷ = 1379074843 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 1379074971.

It is not an unprimeable number, because it can be changed into a prime (1379074979) 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, 229845826 + ... + 229845831.

It is an arithmetic number, because the mean of its divisors is an integer number (459691658).

Almost surely, 2^1379074971 is an apocalyptic number.

1379074971 is a deficient number, since it is larger than the sum of its proper divisors (459691661).

1379074971 is an equidigital number, since it uses as much as digits as its factorization.

1379074971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459691660.

The product of its (nonzero) digits is 333396, while the sum is 48.

The square root of 1379074971 is about 37135.8986830802. The cubic root of 1379074971 is about 1113.0874654476.

The spelling of 1379074971 in words is "one billion, three hundred seventy-nine million, seventy-four thousand, nine hundred seventy-one".