9901650951 has 8 divisors (see below), whose sum is σ = 14669112560. Its totient is φ = 6601100616.

The previous prime is 9901650929. The next prime is 9901650971. The reversal of 9901650951 is 1590561099.

It is a happy number.

9901650951 is a `hidden beast` number, since 9 + 90 + 1 + 6 + 509 + 51 = 666.

It is not a de Polignac number, because 9901650951 - 2¹¹ = 9901648903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9901650897 and 9901650906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901650911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183363880 + ... + 183363933.

It is an arithmetic number, because the mean of its divisors is an integer number (1833639070).

Almost surely, 2^9901650951 is an apocalyptic number.

9901650951 is a deficient number, since it is larger than the sum of its proper divisors (4767461609).

9901650951 is a wasteful number, since it uses less digits than its factorization.

9901650951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366727822 (or 366727816 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The square root of 9901650951 is about 99507.0397057414. The cubic root of 9901650951 is about 2147.3485216488.

The spelling of 9901650951 in words is "nine billion, nine hundred one million, six hundred fifty thousand, nine hundred fifty-one".