9542946651 has 64 divisors (see below), whose sum is σ = 15583518720. Its totient is φ = 5070574080.

The previous prime is 9542946607. The next prime is 9542946661. The reversal of 9542946651 is 1566492459.

It is not a de Polignac number, because 9542946651 - 2⁹ = 9542946139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 9542946594 and 9542946603.

It is not an unprimeable number, because it can be changed into a prime (9542946661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19595130 + ... + 19595616.

It is an arithmetic number, because the mean of its divisors is an integer number (243492480).

Almost surely, 2^9542946651 is an apocalyptic number.

9542946651 is a deficient number, since it is larger than the sum of its proper divisors (6040572069).

9542946651 is a wasteful number, since it uses less digits than its factorization.

9542946651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its digits is 2332800, while the sum is 51.

The square root of 9542946651 is about 97688.0066896648. The cubic root of 9542946651 is about 2121.0984762801.

The spelling of 9542946651 in words is "nine billion, five hundred forty-two million, nine hundred forty-six thousand, six hundred fifty-one".