25334606838 has 16 divisors (see below), whose sum is σ = 50670786240. Its totient is φ = 8444606856.

The previous prime is 25334606837. The next prime is 25334606839. The reversal of 25334606838 is 83860643352.

It is an interprime number because it is at equal distance from previous prime (25334606837) and next prime (25334606839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25334606833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305673 + ... + 379611.

It is an arithmetic number, because the mean of its divisors is an integer number (3166924140).

Almost surely, 2^25334606838 is an apocalyptic number.

25334606838 is an abundant number, since it is smaller than the sum of its proper divisors (25336179402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25334606838 is a wasteful number, since it uses less digits than its factorization.

25334606838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131051.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 25334606838 in words is "twenty-five billion, three hundred thirty-four million, six hundred six thousand, eight hundred thirty-eight".