1373984593 has 4 divisors (see below), whose sum is σ = 1374232048. Its totient is φ = 1373737140.

The previous prime is 1373984587. The next prime is 1373984597. The reversal of 1373984593 is 3954893731.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3954893731 = 1613 ⋅2451887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1373984593 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 1373984593.

It is not an unprimeable number, because it can be changed into a prime (1373984597) 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, 115203 + ... + 126568.

It is an arithmetic number, because the mean of its divisors is an integer number (343558012).

Almost surely, 2^1373984593 is an apocalyptic number.

It is an amenable number.

1373984593 is a deficient number, since it is larger than the sum of its proper divisors (247455).

1373984593 is an equidigital number, since it uses as much as digits as its factorization.

1373984593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247454.

The product of its digits is 2449440, while the sum is 52.

The square root of 1373984593 is about 37067.2981615871. The cubic root of 1373984593 is about 1111.7162512158.

The spelling of 1373984593 in words is "one billion, three hundred seventy-three million, nine hundred eighty-four thousand, five hundred ninety-three".