2754021869 has 2 divisors, whose sum is σ = 2754021870. Its totient is φ = 2754021868.

The previous prime is 2754021857. The next prime is 2754021889. The reversal of 2754021869 is 9681204572.

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., 2731316644 + 22705225 = 52262^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 2754021869 - 2²⁸ = 2485586413 is a prime.

It is a super-2 number, since 2×2754021869² = 15169272909860506322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2754021889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377010934 + 1377010935.

It is an arithmetic number, because the mean of its divisors is an integer number (1377010935).

Almost surely, 2^2754021869 is an apocalyptic number.

It is an amenable number.

2754021869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2754021869 is an equidigital number, since it uses as much as digits as its factorization.

2754021869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2754021869 is about 52478.7754144473. The cubic root of 2754021869 is about 1401.7023287058.

The spelling of 2754021869 in words is "two billion, seven hundred fifty-four million, twenty-one thousand, eight hundred sixty-nine".