2612400869 has 4 divisors (see below), whose sum is σ = 2813354796. Its totient is φ = 2411446944.

The previous prime is 2612400851. The next prime is 2612400911. The reversal of 2612400869 is 9680042162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 314636644 + 2297764225 = 17738^2 + 47935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2612400869 - 2¹⁶ = 2612335333 is a prime.

It is a super-2 number, since 2×2612400869² = 13649276600703910322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612400569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100476944 + ... + 100476969.

It is an arithmetic number, because the mean of its divisors is an integer number (703338699).

Almost surely, 2^2612400869 is an apocalyptic number.

It is an amenable number.

2612400869 is a deficient number, since it is larger than the sum of its proper divisors (200953927).

2612400869 is a wasteful number, since it uses less digits than its factorization.

2612400869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200953926.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2612400869 is about 51111.6510103127. The cubic root of 2612400869 is about 1377.2515606907.

The spelling of 2612400869 in words is "two billion, six hundred twelve million, four hundred thousand, eight hundred sixty-nine".