2653911420889 has 3 divisors (see below), whose sum is σ = 2653913049973. Its totient is φ = 2653909791806.

The previous prime is 2653911420859. The next prime is 2653911420893. The reversal of 2653911420889 is 9880241193562.

It is a happy number.

The square root of 2653911420889 is 1629083.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2653911420889 - 2²³ = 2653903032281 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2653911420859) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 814542 + ... + 2443624.

Almost surely, 2^{2653911420889} is an apocalyptic number.

2653911420889 is the 1629083-rd square number.

2653911420889 is the 814542-nd centered octagonal number.

It is an amenable number.

2653911420889 is a deficient number, since it is larger than the sum of its proper divisors (1629084).

2653911420889 is an frugal number, since it uses more digits than its factorization.

2653911420889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258166 (or 1629083 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 2653911420889 in words is "two trillion, six hundred fifty-three billion, nine hundred eleven million, four hundred twenty thousand, eight hundred eighty-nine".