2148500269 has 2 divisors, whose sum is σ = 2148500270. Its totient is φ = 2148500268.

The previous prime is 2148500251. The next prime is 2148500287. The reversal of 2148500269 is 9620058412.

It is a balanced prime because it is at equal distance from previous prime (2148500251) and next prime (2148500287).

It can be written as a sum of positive squares in only one way, i.e., 1929844900 + 218655369 = 43930^2 + 14787^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148500269 - 2⁷ = 2148500141 is a prime.

It is a super-2 number, since 2×2148500269² = 9232106811786144722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2148500209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074250134 + 1074250135.

It is an arithmetic number, because the mean of its divisors is an integer number (1074250135).

Almost surely, 2^2148500269 is an apocalyptic number.

It is an amenable number.

2148500269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148500269 is an equidigital number, since it uses as much as digits as its factorization.

2148500269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2148500269 is about 46351.9176410211. The cubic root of 2148500269 is about 1290.3627105381.

The spelling of 2148500269 in words is "two billion, one hundred forty-eight million, five hundred thousand, two hundred sixty-nine".