25334344653 has 16 divisors (see below), whose sum is σ = 34230190080. Its totient is φ = 16664324976.

The previous prime is 25334344643. The next prime is 25334344661. The reversal of 25334344653 is 35644343352.

It is not a de Polignac number, because 25334344653 - 2¹⁸ = 25334082509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25334344603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316476 + ... + 388362.

It is an arithmetic number, because the mean of its divisors is an integer number (2139386880).

Almost surely, 2^25334344653 is an apocalyptic number.

It is an amenable number.

25334344653 is a deficient number, since it is larger than the sum of its proper divisors (8895845427).

25334344653 is a wasteful number, since it uses less digits than its factorization.

25334344653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73456.

The product of its digits is 1555200, while the sum is 42.

The spelling of 25334344653 in words is "twenty-five billion, three hundred thirty-four million, three hundred forty-four thousand, six hundred fifty-three".