1371242793 has 4 divisors (see below), whose sum is σ = 1828323728. Its totient is φ = 914161860.

The previous prime is 1371242783. The next prime is 1371242801. The reversal of 1371242793 is 3972421731.

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 1371242793 - 2⁹ = 1371242281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1371242753) 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, 228540463 + ... + 228540468.

It is an arithmetic number, because the mean of its divisors is an integer number (457080932).

Almost surely, 2^1371242793 is an apocalyptic number.

It is an amenable number.

1371242793 is a deficient number, since it is larger than the sum of its proper divisors (457080935).

1371242793 is an equidigital number, since it uses as much as digits as its factorization.

1371242793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457080934.

The product of its digits is 63504, while the sum is 39.

The square root of 1371242793 is about 37030.2956104863. The cubic root of 1371242793 is about 1110.9762784896.

The spelling of 1371242793 in words is "one billion, three hundred seventy-one million, two hundred forty-two thousand, seven hundred ninety-three".