1379334493 has 2 divisors, whose sum is σ = 1379334494. Its totient is φ = 1379334492.

The previous prime is 1379334373. The next prime is 1379334497. The reversal of 1379334493 is 3944339731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926410969 + 452923524 = 30437^2 + 21282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379334493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379334497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689667246 + 689667247.

It is an arithmetic number, because the mean of its divisors is an integer number (689667247).

Almost surely, 2^1379334493 is an apocalyptic number.

It is an amenable number.

1379334493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379334493 is an equidigital number, since it uses as much as digits as its factorization.

1379334493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 46.

The square root of 1379334493 is about 37139.3927387080. The cubic root of 1379334493 is about 1113.1572833987.

The spelling of 1379334493 in words is "one billion, three hundred seventy-nine million, three hundred thirty-four thousand, four hundred ninety-three".