201859830839397 has 8 divisors (see below), whose sum is σ = 269192630681056. Its totient is φ = 134550125778672.

The previous prime is 201859830839377. The next prime is 201859830839473. The reversal of 201859830839397 is 793938038958102.

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

It is not a de Polignac number, because 201859830839397 - 2⁶ = 201859830839333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201859830839377) 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, 5773674838 + ... + 5773709799.

It is an arithmetic number, because the mean of its divisors is an integer number (33649078835132).

Almost surely, 2^{201859830839397} is an apocalyptic number.

It is an amenable number.

201859830839397 is a deficient number, since it is larger than the sum of its proper divisors (67332799841659).

201859830839397 is a wasteful number, since it uses less digits than its factorization.

201859830839397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11547390467.

The product of its (nonzero) digits is 705438720, while the sum is 75.

The spelling of 201859830839397 in words is "two hundred one trillion, eight hundred fifty-nine billion, eight hundred thirty million, eight hundred thirty-nine thousand, three hundred ninety-seven".