2660023529 has 2 divisors, whose sum is σ = 2660023530. Its totient is φ = 2660023528.

The previous prime is 2660023517. The next prime is 2660023537. The reversal of 2660023529 is 9253200662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1905147904 + 754875625 = 43648^2 + 27475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660023529 - 2⁸ = 2660023273 is a prime.

It is a super-2 number, since 2×2660023529² = 14151450349667227682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2660023549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330011764 + 1330011765.

It is an arithmetic number, because the mean of its divisors is an integer number (1330011765).

Almost surely, 2^2660023529 is an apocalyptic number.

It is an amenable number.

2660023529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660023529 is an equidigital number, since it uses as much as digits as its factorization.

2660023529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2660023529 is about 51575.4159362772. The cubic root of 2660023529 is about 1385.5700675599.

The spelling of 2660023529 in words is "two billion, six hundred sixty million, twenty-three thousand, five hundred twenty-nine".