9547661290625 has 24 divisors (see below), whose sum is σ = 11953738036800. Its totient is φ = 7625376070000.

The previous prime is 9547661290613. The next prime is 9547661290627. The reversal of 9547661290625 is 5260921667459.

It is not a de Polignac number, because 9547661290625 - 2⁸ = 9547661290369 is a prime.

It is a super-2 number, since 2×9547661290625² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9547661290627) 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, 678419 + ... + 4422168.

It is an arithmetic number, because the mean of its divisors is an integer number (498072418200).

Almost surely, 2^{9547661290625} is an apocalyptic number.

It is an amenable number.

9547661290625 is a deficient number, since it is larger than the sum of its proper divisors (2406076746175).

9547661290625 is an frugal number, since it uses more digits than its factorization.

9547661290625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101211 (or 5101191 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 9547661290625 in words is "nine trillion, five hundred forty-seven billion, six hundred sixty-one million, two hundred ninety thousand, six hundred twenty-five".