9251361797 has 2 divisors, whose sum is σ = 9251361798. Its totient is φ = 9251361796.

The previous prime is 9251361793. The next prime is 9251361883. The reversal of 9251361797 is 7971631529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8399539201 + 851822596 = 91649^2 + 29186^2 .

It is a cyclic number.

It is not a de Polignac number, because 9251361797 - 2² = 9251361793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9251361793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4625680898 + 4625680899.

It is an arithmetic number, because the mean of its divisors is an integer number (4625680899).

Almost surely, 2^9251361797 is an apocalyptic number.

It is an amenable number.

9251361797 is a deficient number, since it is larger than the sum of its proper divisors (1).

9251361797 is an equidigital number, since it uses as much as digits as its factorization.

9251361797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 50.

The square root of 9251361797 is about 96183.9996932962. Note that the first 3 decimals coincide. The cubic root of 9251361797 is about 2099.2712359392.

The spelling of 9251361797 in words is "nine billion, two hundred fifty-one million, three hundred sixty-one thousand, seven hundred ninety-seven".