2130881953 has 2 divisors, whose sum is σ = 2130881954. Its totient is φ = 2130881952.

The previous prime is 2130881917. The next prime is 2130881957. The reversal of 2130881953 is 3591880312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1952579344 + 178302609 = 44188^2 + 13353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130881953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130881957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065440976 + 1065440977.

It is an arithmetic number, because the mean of its divisors is an integer number (1065440977).

Almost surely, 2^2130881953 is an apocalyptic number.

It is an amenable number.

2130881953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130881953 is an equidigital number, since it uses as much as digits as its factorization.

2130881953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 2130881953 is about 46161.4769369439. The cubic root of 2130881953 is about 1286.8259109715.

The spelling of 2130881953 in words is "two billion, one hundred thirty million, eight hundred eighty-one thousand, nine hundred fifty-three".