201814717742 has 32 divisors (see below), whose sum is σ = 342728755200. Its totient is φ = 88285842400.

The previous prime is 201814717729. The next prime is 201814717759. The reversal of 201814717742 is 247717418102.

It is a junction number, because it is equal to n+sod(n) for n = 201814717693 and 201814717702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310142 + ... + 706977.

It is an arithmetic number, because the mean of its divisors is an integer number (10710273600).

Almost surely, 2^201814717742 is an apocalyptic number.

201814717742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201814717742 is a deficient number, since it is larger than the sum of its proper divisors (140914037458).

201814717742 is a wasteful number, since it uses less digits than its factorization.

201814717742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017472.

The product of its (nonzero) digits is 175616, while the sum is 44.

The spelling of 201814717742 in words is "two hundred one billion, eight hundred fourteen million, seven hundred seventeen thousand, seven hundred forty-two".