201749418474 has 16 divisors (see below), whose sum is σ = 424735618080. Its totient is φ = 63710342640.

The previous prime is 201749418469. The next prime is 201749418503. The reversal of 201749418474 is 474814947102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884865757 + ... + 884865984.

It is an arithmetic number, because the mean of its divisors is an integer number (26545976130).

Almost surely, 2^201749418474 is an apocalyptic number.

201749418474 is an abundant number, since it is smaller than the sum of its proper divisors (222986199606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201749418474 is a wasteful number, since it uses less digits than its factorization.

201749418474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769731765.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 201749418474 in words is "two hundred one billion, seven hundred forty-nine million, four hundred eighteen thousand, four hundred seventy-four".