2664154399 has 2 divisors, whose sum is σ = 2664154400. Its totient is φ = 2664154398.

The previous prime is 2664154393. The next prime is 2664154421. The reversal of 2664154399 is 9934514662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2664154399 - 2²¹ = 2662057247 is a prime.

It is a super-2 number, since 2×2664154399² = 14195437323422102402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664154393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332077199 + 1332077200.

It is an arithmetic number, because the mean of its divisors is an integer number (1332077200).

Almost surely, 2^2664154399 is an apocalyptic number.

2664154399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664154399 is an equidigital number, since it uses as much as digits as its factorization.

2664154399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 49.

The square root of 2664154399 is about 51615.4472905157. The cubic root of 2664154399 is about 1386.2869345975.

The spelling of 2664154399 in words is "two billion, six hundred sixty-four million, one hundred fifty-four thousand, three hundred ninety-nine".