1942351409 has 8 divisors (see below), whose sum is σ = 1988856672. Its totient is φ = 1895906880.

The previous prime is 1942351393. The next prime is 1942351417. The reversal of 1942351409 is 9041532491.

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 1942351409 - 2⁴ = 1942351393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942351429) 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, 53177 + ... + 81929.

It is an arithmetic number, because the mean of its divisors is an integer number (248607084).

Almost surely, 2^1942351409 is an apocalyptic number.

It is an amenable number.

1942351409 is a deficient number, since it is larger than the sum of its proper divisors (46505263).

1942351409 is a wasteful number, since it uses less digits than its factorization.

1942351409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30367.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1942351409 is about 44072.1160032055. The cubic root of 1942351409 is about 1247.6973949324.

The spelling of 1942351409 in words is "one billion, nine hundred forty-two million, three hundred fifty-one thousand, four hundred nine".