1379163477 has 4 divisors (see below), whose sum is σ = 1838884640. Its totient is φ = 919442316.

The previous prime is 1379163473. The next prime is 1379163497. The reversal of 1379163477 is 7743619731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1379163477 - 2² = 1379163473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379163473) 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, 229860577 + ... + 229860582.

It is an arithmetic number, because the mean of its divisors is an integer number (459721160).

Almost surely, 2^1379163477 is an apocalyptic number.

It is an amenable number.

1379163477 is a deficient number, since it is larger than the sum of its proper divisors (459721163).

1379163477 is an equidigital number, since it uses as much as digits as its factorization.

1379163477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459721162.

The product of its digits is 666792, while the sum is 48.

The square root of 1379163477 is about 37137.0903141320. The cubic root of 1379163477 is about 1113.1112767738. Note that the first 3 decimals are identical.

The spelling of 1379163477 in words is "one billion, three hundred seventy-nine million, one hundred sixty-three thousand, four hundred seventy-seven".