201739036828 has 24 divisors (see below), whose sum is σ = 403552587872. Its totient is φ = 86443619904.

The previous prime is 201739036729. The next prime is 201739036871. The reversal of 201739036828 is 828630937102.

It is a congruent number.

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, 510351 + ... + 814822.

Almost surely, 2^201739036828 is an apocalyptic number.

201739036828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

201739036828 is an abundant number, since it is smaller than the sum of its proper divisors (201813551044).

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

201739036828 is a wasteful number, since it uses less digits than its factorization.

201739036828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330621 (or 1330619 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 201739036828 in words is "two hundred one billion, seven hundred thirty-nine million, thirty-six thousand, eight hundred twenty-eight".