9951294051 has 24 divisors (see below), whose sum is σ = 14512417920. Its totient is φ = 6570660096.

The previous prime is 9951294043. The next prime is 9951294079. The reversal of 9951294051 is 1504921599.

9951294051 is a `hidden beast` number, since 99 + 512 + 9 + 40 + 5 + 1 = 666.

It is not a de Polignac number, because 9951294051 - 2³ = 9951294043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9951293988 and 9951294006.

It is not an unprimeable number, because it can be changed into a prime (9951296051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382795 + ... + 407963.

It is an arithmetic number, because the mean of its divisors is an integer number (604684080).

Almost surely, 2^9951294051 is an apocalyptic number.

9951294051 is a deficient number, since it is larger than the sum of its proper divisors (4561123869).

9951294051 is a wasteful number, since it uses less digits than its factorization.

9951294051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25595 (or 25592 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The square root of 9951294051 is about 99756.1729969629. The cubic root of 9951294051 is about 2150.9312029671.

The spelling of 9951294051 in words is "nine billion, nine hundred fifty-one million, two hundred ninety-four thousand, fifty-one".