203974939294 has 16 divisors (see below), whose sum is σ = 350933682528. Its totient is φ = 87102241632.

The previous prime is 203974939291. The next prime is 203974939309. The reversal of 203974939294 is 492939479302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203974939291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26295109 + ... + 26302864.

It is an arithmetic number, because the mean of its divisors is an integer number (21933355158).

Almost surely, 2^203974939294 is an apocalyptic number.

203974939294 is a deficient number, since it is larger than the sum of its proper divisors (146958743234).

203974939294 is a wasteful number, since it uses less digits than its factorization.

203974939294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52598259.

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 203974939294 in words is "two hundred three billion, nine hundred seventy-four million, nine hundred thirty-nine thousand, two hundred ninety-four".