4425612491 has 2 divisors, whose sum is σ = 4425612492. Its totient is φ = 4425612490.

The previous prime is 4425612409. The next prime is 4425612493. The reversal of 4425612491 is 1942165244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4425612491 - 2³⁰ = 3351870667 is a prime.

It is a Sophie Germain prime.

Together with 4425612493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4425612493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212806245 + 2212806246.

It is an arithmetic number, because the mean of its divisors is an integer number (2212806246).

Almost surely, 2^4425612491 is an apocalyptic number.

4425612491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4425612491 is an equidigital number, since it uses as much as digits as its factorization.

4425612491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 4425612491 is about 66525.2770832260. The cubic root of 4425612491 is about 1641.8159157577.

The spelling of 4425612491 in words is "four billion, four hundred twenty-five million, six hundred twelve thousand, four hundred ninety-one".