4722499451 has 2 divisors, whose sum is σ = 4722499452. Its totient is φ = 4722499450.

The previous prime is 4722499409. The next prime is 4722499469. The reversal of 4722499451 is 1549942274.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4722499451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4722499396 and 4722499405.

It is not a weakly prime, because it can be changed into another prime (4722499471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361249725 + 2361249726.

It is an arithmetic number, because the mean of its divisors is an integer number (2361249726).

Almost surely, 2^4722499451 is an apocalyptic number.

4722499451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4722499451 is an equidigital number, since it uses as much as digits as its factorization.

4722499451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 4722499451 is about 68720.4441996703. Note that the first 3 decimals coincide. The cubic root of 4722499451 is about 1677.7373464421.

The spelling of 4722499451 in words is "four billion, seven hundred twenty-two million, four hundred ninety-nine thousand, four hundred fifty-one".