9651415051 has 4 divisors (see below), whose sum is σ = 9651621600. Its totient is φ = 9651208504.

The previous prime is 9651415021. The next prime is 9651415073. The reversal of 9651415051 is 1505141569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1505141569 = 5479 ⋅274711.

It is a cyclic number.

It is not a de Polignac number, because 9651415051 - 2¹³ = 9651406859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9651415051.

It is not an unprimeable number, because it can be changed into a prime (9651415021) 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, 3870 + ... + 138988.

It is an arithmetic number, because the mean of its divisors is an integer number (2412905400).

Almost surely, 2^9651415051 is an apocalyptic number.

9651415051 is a deficient number, since it is larger than the sum of its proper divisors (206549).

9651415051 is a wasteful number, since it uses less digits than its factorization.

9651415051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206548.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 9651415051 is about 98241.6156778786. The cubic root of 9651415051 is about 2129.1045962771.

The spelling of 9651415051 in words is "nine billion, six hundred fifty-one million, four hundred fifteen thousand, fifty-one".