1379502493 has 4 divisors (see below), whose sum is σ = 1381596480. Its totient is φ = 1377408508.

The previous prime is 1379502473. The next prime is 1379502517. The reversal of 1379502493 is 3942059731.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379502493 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 (1379502473) 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, 1046005 + ... + 1047322.

It is an arithmetic number, because the mean of its divisors is an integer number (345399120).

Almost surely, 2^1379502493 is an apocalyptic number.

It is an amenable number.

1379502493 is a deficient number, since it is larger than the sum of its proper divisors (2093987).

1379502493 is an equidigital number, since it uses as much as digits as its factorization.

1379502493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093986.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1379502493 is about 37141.6544192636. The cubic root of 1379502493 is about 1113.2024749585.

The spelling of 1379502493 in words is "one billion, three hundred seventy-nine million, five hundred two thousand, four hundred ninety-three".