5126373491 has 4 divisors (see below), whose sum is σ = 5126879472. Its totient is φ = 5125867512.

The previous prime is 5126373487. The next prime is 5126373493. The reversal of 5126373491 is 1943736215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1943736215 = 5 ⋅388747243.

It is a cyclic number.

It is not a de Polignac number, because 5126373491 - 2² = 5126373487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5126373493) 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, 237476 + ... + 258161.

It is an arithmetic number, because the mean of its divisors is an integer number (1281719868).

Almost surely, 2^5126373491 is an apocalyptic number.

5126373491 is a deficient number, since it is larger than the sum of its proper divisors (505981).

5126373491 is a wasteful number, since it uses less digits than its factorization.

5126373491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505980.

The product of its digits is 136080, while the sum is 41.

The square root of 5126373491 is about 71598.6975510030. The cubic root of 5126373491 is about 1724.2626257953.

The spelling of 5126373491 in words is "five billion, one hundred twenty-six million, three hundred seventy-three thousand, four hundred ninety-one".