9650040131 has 4 divisors (see below), whose sum is σ = 10157937000. Its totient is φ = 9142143264.

The previous prime is 9650040121. The next prime is 9650040161. The reversal of 9650040131 is 1310400569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310400569 = 19 ⋅68968451.

It is a cyclic number.

It is not a de Polignac number, because 9650040131 - 2⁶ = 9650040067 is a prime.

It is a super-2 number, since 2×9650040131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9650040094 and 9650040103.

It is not an unprimeable number, because it can be changed into a prime (9650040121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253948406 + ... + 253948443.

It is an arithmetic number, because the mean of its divisors is an integer number (2539484250).

Almost surely, 2^9650040131 is an apocalyptic number.

9650040131 is a deficient number, since it is larger than the sum of its proper divisors (507896869).

9650040131 is a wasteful number, since it uses less digits than its factorization.

9650040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507896868.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 9650040131 is about 98234.6177831420. The cubic root of 9650040131 is about 2129.0034889095.

It can be divided in two parts, 96500 and 40131, that added together give a palindrome (136631).

The spelling of 9650040131 in words is "nine billion, six hundred fifty million, forty thousand, one hundred thirty-one".