203504545634 has 16 divisors (see below), whose sum is σ = 331247568960. Its totient is φ = 93208187280.

The previous prime is 203504545627. The next prime is 203504545687. The reversal of 203504545634 is 436545405302.

203504545634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203504545591 and 203504545600.

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, 29871014 + ... + 29877825.

It is an arithmetic number, because the mean of its divisors is an integer number (20702973060).

Almost surely, 2^203504545634 is an apocalyptic number.

203504545634 is a deficient number, since it is larger than the sum of its proper divisors (127743023326).

203504545634 is a wasteful number, since it uses less digits than its factorization.

203504545634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59748985.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 203504545634 in words is "two hundred three billion, five hundred four million, five hundred forty-five thousand, six hundred thirty-four".