7251848749 has 4 divisors (see below), whose sum is σ = 7288290400. Its totient is φ = 7215407100.

The previous prime is 7251848701. The next prime is 7251848753. The reversal of 7251848749 is 9478481527.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9478481527 = 88661 ⋅106907.

It is a cyclic number.

It is not a de Polignac number, because 7251848749 - 2⁷ = 7251848621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7251848749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7251848759) 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, 18220527 + ... + 18220924.

It is an arithmetic number, because the mean of its divisors is an integer number (1822072600).

Almost surely, 2^7251848749 is an apocalyptic number.

It is an amenable number.

7251848749 is a deficient number, since it is larger than the sum of its proper divisors (36441651).

7251848749 is a wasteful number, since it uses less digits than its factorization.

7251848749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36441650.

The product of its digits is 4515840, while the sum is 55.

The square root of 7251848749 is about 85157.7873655722. The cubic root of 7251848749 is about 1935.6028185006.

The spelling of 7251848749 in words is "seven billion, two hundred fifty-one million, eight hundred forty-eight thousand, seven hundred forty-nine".