2312019021269 has 2 divisors, whose sum is σ = 2312019021270. Its totient is φ = 2312019021268.

The previous prime is 2312019021211. The next prime is 2312019021373. The reversal of 2312019021269 is 9621209102132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1474675067044 + 837343954225 = 1214362^2 + 915065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312019021269 - 2²⁸ = 2311750585813 is a prime.

It is a super-2 number, since 2×2312019021269² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312019021209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156009510634 + 1156009510635.

It is an arithmetic number, because the mean of its divisors is an integer number (1156009510635).

Almost surely, 2^{2312019021269} is an apocalyptic number.

It is an amenable number.

2312019021269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312019021269 is an equidigital number, since it uses as much as digits as its factorization.

2312019021269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 2312019021269 in words is "two trillion, three hundred twelve billion, nineteen million, twenty-one thousand, two hundred sixty-nine".