1356246493 has 4 divisors (see below), whose sum is σ = 1549996000. Its totient is φ = 1162496988.

The previous prime is 1356246481. The next prime is 1356246517. The reversal of 1356246493 is 3946426531.

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 not a de Polignac number, because 1356246493 - 2⁵ = 1356246461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356246403) 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, 96874743 + ... + 96874756.

It is an arithmetic number, because the mean of its divisors is an integer number (387499000).

Almost surely, 2^1356246493 is an apocalyptic number.

It is an amenable number.

1356246493 is a deficient number, since it is larger than the sum of its proper divisors (193749507).

1356246493 is an equidigital number, since it uses as much as digits as its factorization.

1356246493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193749506.

The product of its digits is 466560, while the sum is 43.

The square root of 1356246493 is about 36827.2520424753. The cubic root of 1356246493 is about 1106.9114403387.

The spelling of 1356246493 in words is "one billion, three hundred fifty-six million, two hundred forty-six thousand, four hundred ninety-three".