2669531195501 has 2 divisors, whose sum is σ = 2669531195502. Its totient is φ = 2669531195500.

The previous prime is 2669531195497. The next prime is 2669531195509. The reversal of 2669531195501 is 1055911359662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2003795958025 + 665735237476 = 1415555^2 + 815926^2 .

It is a cyclic number.

It is not a de Polignac number, because 2669531195501 - 2² = 2669531195497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2669531195509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334765597750 + 1334765597751.

It is an arithmetic number, because the mean of its divisors is an integer number (1334765597751).

Almost surely, 2^{2669531195501} is an apocalyptic number.

It is an amenable number.

2669531195501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2669531195501 is an equidigital number, since it uses as much as digits as its factorization.

2669531195501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187000, while the sum is 53.

The spelling of 2669531195501 in words is "two trillion, six hundred sixty-nine billion, five hundred thirty-one million, one hundred ninety-five thousand, five hundred one".