4207454681 has 2 divisors, whose sum is σ = 4207454682. Its totient is φ = 4207454680.

The previous prime is 4207454621. The next prime is 4207454701. The reversal of 4207454681 is 1864547024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3483360400 + 724094281 = 59020^2 + 26909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4207454681 - 2¹⁸ = 4207192537 is a prime.

It is a super-2 number, since 2×4207454681² = 35405349785337623522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4207454621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103727340 + 2103727341.

It is an arithmetic number, because the mean of its divisors is an integer number (2103727341).

Almost surely, 2^4207454681 is an apocalyptic number.

It is an amenable number.

4207454681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4207454681 is an equidigital number, since it uses as much as digits as its factorization.

4207454681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 4207454681 is about 64864.8955984668. The cubic root of 4207454681 is about 1614.3826529180.

The spelling of 4207454681 in words is "four billion, two hundred seven million, four hundred fifty-four thousand, six hundred eighty-one".