47374745657 has 4 divisors (see below), whose sum is σ = 47907046260. Its totient is φ = 46842445056.

The previous prime is 47374745633. The next prime is 47374745659. The reversal of 47374745657 is 75654747374.

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 28746863401 + 18627882256 = 169549^2 + 136484^2 .

It is a cyclic number.

It is not a de Polignac number, because 47374745657 - 2¹⁴ = 47374729273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47374745596 and 47374745605.

It is not an unprimeable number, because it can be changed into a prime (47374745659) 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, 266150168 + ... + 266150345.

It is an arithmetic number, because the mean of its divisors is an integer number (11976761565).

Almost surely, 2^47374745657 is an apocalyptic number.

It is an amenable number.

47374745657 is a deficient number, since it is larger than the sum of its proper divisors (532300603).

47374745657 is an equidigital number, since it uses as much as digits as its factorization.

47374745657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532300602.

The product of its digits is 69148800, while the sum is 59.

The spelling of 47374745657 in words is "forty-seven billion, three hundred seventy-four million, seven hundred forty-five thousand, six hundred fifty-seven".