4138632403 has 4 divisors (see below), whose sum is σ = 4188495528. Its totient is φ = 4088769280.

The previous prime is 4138632389. The next prime is 4138632409. The reversal of 4138632403 is 3042368314.

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

It is a cyclic number.

It is not a de Polignac number, because 4138632403 - 2²⁵ = 4105077971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4138632409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24931438 + ... + 24931603.

It is an arithmetic number, because the mean of its divisors is an integer number (1047123882).

Almost surely, 2^4138632403 is an apocalyptic number.

4138632403 is a deficient number, since it is larger than the sum of its proper divisors (49863125).

4138632403 is an equidigital number, since it uses as much as digits as its factorization.

4138632403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49863124.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 4138632403 is about 64332.2034676258. The cubic root of 4138632403 is about 1605.5319455838.

The spelling of 4138632403 in words is "four billion, one hundred thirty-eight million, six hundred thirty-two thousand, four hundred three".