2152654069 has 2 divisors, whose sum is σ = 2152654070. Its totient is φ = 2152654068.

The previous prime is 2152654027. The next prime is 2152654093. The reversal of 2152654069 is 9604562512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2146468900 + 6185169 = 46330^2 + 2487^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152654069 - 2¹⁵ = 2152621301 is a prime.

It is a super-2 number, since 2×2152654069² = 9267839081564513522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152654099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076327034 + 1076327035.

It is an arithmetic number, because the mean of its divisors is an integer number (1076327035).

Almost surely, 2^2152654069 is an apocalyptic number.

It is an amenable number.

2152654069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152654069 is an equidigital number, since it uses as much as digits as its factorization.

2152654069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2152654069 is about 46396.7032126206. The cubic root of 2152654069 is about 1291.1937488549.

The spelling of 2152654069 in words is "two billion, one hundred fifty-two million, six hundred fifty-four thousand, sixty-nine".