47189458945 has 4 divisors (see below), whose sum is σ = 56627350740. Its totient is φ = 37751567152.

The previous prime is 47189458937. The next prime is 47189458969. The reversal of 47189458945 is 54985498174.

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 15273993744 + 31915465201 = 123588^2 + 178649^2 .

It is a cyclic number.

It is not a de Polignac number, because 47189458945 - 2³ = 47189458937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718945890 + ... + 4718945899.

It is an arithmetic number, because the mean of its divisors is an integer number (14156837685).

Almost surely, 2^47189458945 is an apocalyptic number.

It is an amenable number.

47189458945 is a deficient number, since it is larger than the sum of its proper divisors (9437891795).

47189458945 is an equidigital number, since it uses as much as digits as its factorization.

47189458945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437891794.

The product of its digits is 58060800, while the sum is 64.

The spelling of 47189458945 in words is "forty-seven billion, one hundred eighty-nine million, four hundred fifty-eight thousand, nine hundred forty-five".