1942001897 has 8 divisors (see below), whose sum is σ = 2118940992. Its totient is φ = 1765128400.

The previous prime is 1942001881. The next prime is 1942001899. The reversal of 1942001897 is 7981002491.

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

It is a cyclic number.

It is not a de Polignac number, because 1942001897 - 2⁴ = 1942001881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942001899) 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, 61703 + ... + 87699.

It is an arithmetic number, because the mean of its divisors is an integer number (264867624).

Almost surely, 2^1942001897 is an apocalyptic number.

It is an amenable number.

1942001897 is a deficient number, since it is larger than the sum of its proper divisors (176939095).

1942001897 is a wasteful number, since it uses less digits than its factorization.

1942001897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32799.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1942001897 is about 44068.1505965476. The cubic root of 1942001897 is about 1247.6225524212.

The spelling of 1942001897 in words is "one billion, nine hundred forty-two million, one thousand, eight hundred ninety-seven".