9951752801 has 2 divisors, whose sum is σ = 9951752802. Its totient is φ = 9951752800.

The previous prime is 9951752779. The next prime is 9951752807. The reversal of 9951752801 is 1082571599.

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., 9491435776 + 460317025 = 97424^2 + 21455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9951752801 is a prime.

It is a super-2 number, since 2×9951752801² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9951752807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4975876400 + 4975876401.

It is an arithmetic number, because the mean of its divisors is an integer number (4975876401).

Almost surely, 2^9951752801 is an apocalyptic number.

It is an amenable number.

9951752801 is a deficient number, since it is larger than the sum of its proper divisors (1).

9951752801 is an equidigital number, since it uses as much as digits as its factorization.

9951752801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 47.

The square root of 9951752801 is about 99758.4723269157. The cubic root of 9951752801 is about 2150.9642547666.

The spelling of 9951752801 in words is "nine billion, nine hundred fifty-one million, seven hundred fifty-two thousand, eight hundred one".