2047652945 has 8 divisors (see below), whose sum is σ = 2646197736. Its totient is φ = 1512112896.

The previous prime is 2047652939. The next prime is 2047652953. The reversal of 2047652945 is 5492567402.

It can be written as a sum of positive squares in 4 ways, for example, as 319837456 + 1727815489 = 17884^2 + 41567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2047652945 - 2⁶ = 2047652881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2047652896 and 2047652905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15751112 + ... + 15751241.

It is an arithmetic number, because the mean of its divisors is an integer number (330774717).

Almost surely, 2^2047652945 is an apocalyptic number.

It is an amenable number.

2047652945 is a deficient number, since it is larger than the sum of its proper divisors (598544791).

2047652945 is a wasteful number, since it uses less digits than its factorization.

2047652945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31502371.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 2047652945 is about 45250.9993812291. Note that the first 3 decimals coincide. The cubic root of 2047652945 is about 1269.8491037367.

The spelling of 2047652945 in words is "two billion, forty-seven million, six hundred fifty-two thousand, nine hundred forty-five".