3672539638 has 8 divisors (see below), whose sum is σ = 5516327088. Its totient is φ = 1833763944.

The previous prime is 3672539603. The next prime is 3672539687. The reversal of 3672539638 is 8369352763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251106 + ... + 1254037.

It is an arithmetic number, because the mean of its divisors is an integer number (689540886).

Almost surely, 2^3672539638 is an apocalyptic number.

3672539638 is a deficient number, since it is larger than the sum of its proper divisors (1843787450).

3672539638 is a wasteful number, since it uses less digits than its factorization.

3672539638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505878.

The product of its digits is 4898880, while the sum is 52.

The square root of 3672539638 is about 60601.4821435912. The cubic root of 3672539638 is about 1542.8445259248.

The spelling of 3672539638 in words is "three billion, six hundred seventy-two million, five hundred thirty-nine thousand, six hundred thirty-eight".