9051251641 has 2 divisors, whose sum is σ = 9051251642. Its totient is φ = 9051251640.

The previous prime is 9051251623. The next prime is 9051251647. The reversal of 9051251641 is 1461521509.

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., 5445849616 + 3605402025 = 73796^2 + 60045^2 .

It is a cyclic number.

It is not a de Polignac number, because 9051251641 - 2¹³ = 9051243449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9051251597 and 9051251606.

It is not a weakly prime, because it can be changed into another prime (9051251647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4525625820 + 4525625821.

It is an arithmetic number, because the mean of its divisors is an integer number (4525625821).

Almost surely, 2^9051251641 is an apocalyptic number.

It is an amenable number.

9051251641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9051251641 is an equidigital number, since it uses as much as digits as its factorization.

9051251641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 9051251641 is about 95138.0662038072. The cubic root of 9051251641 is about 2084.0247854014.

The spelling of 9051251641 in words is "nine billion, fifty-one million, two hundred fifty-one thousand, six hundred forty-one".