103638488253 has 16 divisors (see below), whose sum is σ = 138688293696. Its totient is φ = 68840703360.

The previous prime is 103638488249. The next prime is 103638488311. The reversal of 103638488253 is 352884836301.

It is a happy number.

It is not a de Polignac number, because 103638488253 - 2² = 103638488249 is a prime.

It is a super-3 number, since 3×103638488253³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103638488196 and 103638488205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103638488153) 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, 2174626 + ... + 2221772.

It is an arithmetic number, because the mean of its divisors is an integer number (8668018356).

Almost surely, 2^103638488253 is an apocalyptic number.

It is an amenable number.

103638488253 is a deficient number, since it is larger than the sum of its proper divisors (35049805443).

103638488253 is a wasteful number, since it uses less digits than its factorization.

103638488253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49804.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 103638488253 in words is "one hundred three billion, six hundred thirty-eight million, four hundred eighty-eight thousand, two hundred fifty-three".