9685961507 has 2 divisors, whose sum is σ = 9685961508. Its totient is φ = 9685961506.

The previous prime is 9685961479. The next prime is 9685961533. The reversal of 9685961507 is 7051695869.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9685961507 - 2⁶ = 9685961443 is a prime.

It is a super-2 number, since 2×9685961507² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9685961557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4842980753 + 4842980754.

It is an arithmetic number, because the mean of its divisors is an integer number (4842980754).

Almost surely, 2^9685961507 is an apocalyptic number.

9685961507 is a deficient number, since it is larger than the sum of its proper divisors (1).

9685961507 is an equidigital number, since it uses as much as digits as its factorization.

9685961507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The square root of 9685961507 is about 98417.2825625662. The cubic root of 9685961507 is about 2131.6418903060.

The spelling of 9685961507 in words is "nine billion, six hundred eighty-five million, nine hundred sixty-one thousand, five hundred seven".