5002457891 has 4 divisors (see below), whose sum is σ = 5062728552. Its totient is φ = 4942187232.

The previous prime is 5002457869. The next prime is 5002457899. The reversal of 5002457891 is 1987542005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1987542005 = 5 ⋅397508401.

It is a cyclic number.

It is not a de Polignac number, because 5002457891 - 2²² = 4998263587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5002457899) 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, 30135206 + ... + 30135371.

It is an arithmetic number, because the mean of its divisors is an integer number (1265682138).

Almost surely, 2^5002457891 is an apocalyptic number.

5002457891 is a deficient number, since it is larger than the sum of its proper divisors (60270661).

5002457891 is an equidigital number, since it uses as much as digits as its factorization.

5002457891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60270660.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 5002457891 is about 70728.0558972180. The cubic root of 5002457891 is about 1710.2560964092.

Adding to 5002457891 its reverse (1987542005), we get a palindrome (6989999896).

The spelling of 5002457891 in words is "five billion, two million, four hundred fifty-seven thousand, eight hundred ninety-one".