201928912426 has 8 divisors (see below), whose sum is σ = 302899767300. Its totient is φ = 100962323328.

The previous prime is 201928912403. The next prime is 201928912439. The reversal of 201928912426 is 624219829102.

It can be written as a sum of positive squares in 2 ways, for example, as 195262353225 + 6666559201 = 441885^2 + 81649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945351 + ... + 1139098.

Almost surely, 2^201928912426 is an apocalyptic number.

201928912426 is a deficient number, since it is larger than the sum of its proper divisors (100970854874).

201928912426 is a wasteful number, since it uses less digits than its factorization.

201928912426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132888.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 201928912426 in words is "two hundred one billion, nine hundred twenty-eight million, nine hundred twelve thousand, four hundred twenty-six".