38573490638 has 16 divisors (see below), whose sum is σ = 59502611904. Its totient is φ = 18740665440.

The previous prime is 38573490583. The next prime is 38573490673. The reversal of 38573490638 is 83609437583.

It is a happy number.

38573490638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288278 + ... + 400313.

It is an arithmetic number, because the mean of its divisors is an integer number (3718913244).

Almost surely, 2^38573490638 is an apocalyptic number.

38573490638 is a deficient number, since it is larger than the sum of its proper divisors (20929121266).

38573490638 is a wasteful number, since it uses less digits than its factorization.

38573490638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689387.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 38573490638 in words is "thirty-eight billion, five hundred seventy-three million, four hundred ninety thousand, six hundred thirty-eight".