4247492051 has 4 divisors (see below), whose sum is σ = 4633627704. Its totient is φ = 3861356400.

The previous prime is 4247492023. The next prime is 4247492059. The reversal of 4247492051 is 1502947424.

4247492051 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-4247492051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4247491996 and 4247492014.

It is not an unprimeable number, because it can be changed into a prime (4247492059) 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, 193067810 + ... + 193067831.

It is an arithmetic number, because the mean of its divisors is an integer number (1158406926).

Almost surely, 2^4247492051 is an apocalyptic number.

4247492051 is a deficient number, since it is larger than the sum of its proper divisors (386135653).

4247492051 is a wasteful number, since it uses less digits than its factorization.

4247492051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386135652.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 4247492051 is about 65172.7861227368. The cubic root of 4247492051 is about 1619.4872190756.

The spelling of 4247492051 in words is "four billion, two hundred forty-seven million, four hundred ninety-two thousand, fifty-one".