2947650653 has 2 divisors, whose sum is σ = 2947650654. Its totient is φ = 2947650652.

The previous prime is 2947650623. The next prime is 2947650691. The reversal of 2947650653 is 3560567492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1946750884 + 1000899769 = 44122^2 + 31637^2 .

It is a cyclic number.

It is not a de Polignac number, because 2947650653 - 2²⁴ = 2930873437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2947650598 and 2947650607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2947650623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473825326 + 1473825327.

It is an arithmetic number, because the mean of its divisors is an integer number (1473825327).

Almost surely, 2^2947650653 is an apocalyptic number.

It is an amenable number.

2947650653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947650653 is an equidigital number, since it uses as much as digits as its factorization.

2947650653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The square root of 2947650653 is about 54292.2706561440. The cubic root of 2947650653 is about 1433.8113160446.

The spelling of 2947650653 in words is "two billion, nine hundred forty-seven million, six hundred fifty thousand, six hundred fifty-three".