1349043407 has 4 divisors (see below), whose sum is σ = 1349228760. Its totient is φ = 1348858056.

The previous prime is 1349043389. The next prime is 1349043413. The reversal of 1349043407 is 7043409431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1349043407 - 2²⁶ = 1281934543 is a prime.

It is a super-2 number, since 2×1349043407² = 3639836227940335298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349043497) 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, 81293 + ... + 96470.

It is an arithmetic number, because the mean of its divisors is an integer number (337307190).

Almost surely, 2^1349043407 is an apocalyptic number.

1349043407 is a deficient number, since it is larger than the sum of its proper divisors (185353).

1349043407 is an equidigital number, since it uses as much as digits as its factorization.

1349043407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185352.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1349043407 is about 36729.3262530093. The cubic root of 1349043407 is about 1104.9483420771.

The spelling of 1349043407 in words is "one billion, three hundred forty-nine million, forty-three thousand, four hundred seven".