2264139869 has 2 divisors, whose sum is σ = 2264139870. Its totient is φ = 2264139868.

The previous prime is 2264139863. The next prime is 2264139877. The reversal of 2264139869 is 9689314622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1282570969 + 981568900 = 35813^2 + 31330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2264139869 - 2¹² = 2264135773 is a prime.

It is a super-2 number, since 2×2264139869² = 10252658692790674322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2264139863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132069934 + 1132069935.

It is an arithmetic number, because the mean of its divisors is an integer number (1132069935).

Almost surely, 2^2264139869 is an apocalyptic number.

It is an amenable number.

2264139869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2264139869 is an equidigital number, since it uses as much as digits as its factorization.

2264139869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 2264139869 is about 47582.9787739271. The cubic root of 2264139869 is about 1313.1099254881.

The spelling of 2264139869 in words is "two billion, two hundred sixty-four million, one hundred thirty-nine thousand, eight hundred sixty-nine".