4045272697 has 2 divisors, whose sum is σ = 4045272698. Its totient is φ = 4045272696.

The previous prime is 4045272661. The next prime is 4045272701. The reversal of 4045272697 is 7962725404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3305215081 + 740057616 = 57491^2 + 27204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045272697 is a prime.

It is a super-3 number, since 3×4045272697³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (4045272607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022636348 + 2022636349.

It is an arithmetic number, because the mean of its divisors is an integer number (2022636349).

Almost surely, 2^4045272697 is an apocalyptic number.

It is an amenable number.

4045272697 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045272697 is an equidigital number, since it uses as much as digits as its factorization.

4045272697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 4045272697 is about 63602.4582622401. The cubic root of 4045272697 is about 1593.3674260147.

The spelling of 4045272697 in words is "four billion, forty-five million, two hundred seventy-two thousand, six hundred ninety-seven".