2660819537 has 2 divisors, whose sum is σ = 2660819538. Its totient is φ = 2660819536.

The previous prime is 2660819531. The next prime is 2660819543. The reversal of 2660819537 is 7359180662.

It is a balanced prime because it is at equal distance from previous prime (2660819531) and next prime (2660819543).

It can be written as a sum of positive squares in only one way, i.e., 1399433281 + 1261386256 = 37409^2 + 35516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660819537 - 2²⁶ = 2593710673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660819491 and 2660819500.

It is not a weakly prime, because it can be changed into another prime (2660819531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330409768 + 1330409769.

It is an arithmetic number, because the mean of its divisors is an integer number (1330409769).

Almost surely, 2^2660819537 is an apocalyptic number.

It is an amenable number.

2660819537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660819537 is an equidigital number, since it uses as much as digits as its factorization.

2660819537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 2660819537 is about 51583.1322914768. The cubic root of 2660819537 is about 1385.7082636884.

The spelling of 2660819537 in words is "two billion, six hundred sixty million, eight hundred nineteen thousand, five hundred thirty-seven".