9520631951 has 2 divisors, whose sum is σ = 9520631952. Its totient is φ = 9520631950.

The previous prime is 9520631933. The next prime is 9520631959. The reversal of 9520631951 is 1591360259.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9520631951 - 2¹⁰ = 9520630927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9520631899 and 9520631908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9520631959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4760315975 + 4760315976.

It is an arithmetic number, because the mean of its divisors is an integer number (4760315976).

Almost surely, 2^9520631951 is an apocalyptic number.

9520631951 is a deficient number, since it is larger than the sum of its proper divisors (1).

9520631951 is an equidigital number, since it uses as much as digits as its factorization.

9520631951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 9520631951 is about 97573.7257206057. The cubic root of 9520631951 is about 2119.4438993974.

The spelling of 9520631951 in words is "nine billion, five hundred twenty million, six hundred thirty-one thousand, nine hundred fifty-one".