1492341813 has 20 divisors (see below), whose sum is σ = 2240874988. Its totient is φ = 989729280.

The previous prime is 1492341797. The next prime is 1492341817. The reversal of 1492341813 is 3181432941.

It can be written as a sum of positive squares in 2 ways, for example, as 663938289 + 828403524 = 25767^2 + 28782^2 .

It is not a de Polignac number, because 1492341813 - 2⁴ = 1492341797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492341817) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32098 + ... + 63363.

Almost surely, 2^1492341813 is an apocalyptic number.

It is an amenable number.

1492341813 is a deficient number, since it is larger than the sum of its proper divisors (748533175).

1492341813 is an equidigital number, since it uses as much as digits as its factorization.

1492341813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95666 (or 95657 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1492341813 is about 38630.8401798356. The cubic root of 1492341813 is about 1142.7628209798.

The spelling of 1492341813 in words is "one billion, four hundred ninety-two million, three hundred forty-one thousand, eight hundred thirteen".