203868737690 has 32 divisors (see below), whose sum is σ = 369030352896. Its totient is φ = 81088583040.

The previous prime is 203868737687. The next prime is 203868737701. The reversal of 203868737690 is 96737868302.

203868737690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203868737690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5162159 + ... + 5201501.

It is an arithmetic number, because the mean of its divisors is an integer number (11532198528).

Almost surely, 2^203868737690 is an apocalyptic number.

203868737690 is a deficient number, since it is larger than the sum of its proper divisors (165161615206).

203868737690 is a wasteful number, since it uses less digits than its factorization.

203868737690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42254.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 203868737690 in words is "two hundred three billion, eight hundred sixty-eight million, seven hundred thirty-seven thousand, six hundred ninety".