25134162038 has 4 divisors (see below), whose sum is σ = 37701243060. Its totient is φ = 12567081018.

The previous prime is 25134162037. The next prime is 25134162041. The reversal of 25134162038 is 83026143152.

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

It is a super-2 number, since 2×25134162038² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25134161989 and 25134162007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134162037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6283540508 + ... + 6283540511.

It is an arithmetic number, because the mean of its divisors is an integer number (9425310765).

Almost surely, 2^25134162038 is an apocalyptic number.

25134162038 is a deficient number, since it is larger than the sum of its proper divisors (12567081022).

25134162038 is a wasteful number, since it uses less digits than its factorization.

25134162038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567081021.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 25134162038 in words is "twenty-five billion, one hundred thirty-four million, one hundred sixty-two thousand, thirty-eight".