647022697183 has 2 divisors, whose sum is σ = 647022697184. Its totient is φ = 647022697182.

The previous prime is 647022697171. The next prime is 647022697193. The reversal of 647022697183 is 381796220746.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-647022697183 is a prime.

It is a super-2 number, since 2×647022697183² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647022697103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323511348591 + 323511348592.

It is an arithmetic number, because the mean of its divisors is an integer number (323511348592).

Almost surely, 2^647022697183 is an apocalyptic number.

647022697183 is a deficient number, since it is larger than the sum of its proper divisors (1).

647022697183 is an equidigital number, since it uses as much as digits as its factorization.

647022697183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 647022697183 in words is "six hundred forty-seven billion, twenty-two million, six hundred ninety-seven thousand, one hundred eighty-three".