47925665465 has 4 divisors (see below), whose sum is σ = 57510798564. Its totient is φ = 38340532368.

The previous prime is 47925665461. The next prime is 47925665471. The reversal of 47925665465 is 56456652974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19317664144 + 28608001321 = 138988^2 + 169139^2 .

It is a cyclic number.

It is not a de Polignac number, because 47925665465 - 2² = 47925665461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47925665461) 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, 4792566542 + ... + 4792566551.

It is an arithmetic number, because the mean of its divisors is an integer number (14377699641).

Almost surely, 2^47925665465 is an apocalyptic number.

It is an amenable number.

47925665465 is a deficient number, since it is larger than the sum of its proper divisors (9585133099).

47925665465 is an equidigital number, since it uses as much as digits as its factorization.

47925665465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585133098.

The product of its digits is 54432000, while the sum is 59.

The spelling of 47925665465 in words is "forty-seven billion, nine hundred twenty-five million, six hundred sixty-five thousand, four hundred sixty-five".