1934358121 has 4 divisors (see below), whose sum is σ = 2018460672. Its totient is φ = 1850255572.

The previous prime is 1934358109. The next prime is 1934358157. The reversal of 1934358121 is 1218534391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1934358121 - 2⁵ = 1934358089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1934355121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42051241 + ... + 42051286.

It is an arithmetic number, because the mean of its divisors is an integer number (504615168).

Almost surely, 2^1934358121 is an apocalyptic number.

It is an amenable number.

1934358121 is a deficient number, since it is larger than the sum of its proper divisors (84102551).

1934358121 is an equidigital number, since it uses as much as digits as its factorization.

1934358121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84102550.

The product of its digits is 25920, while the sum is 37.

The square root of 1934358121 is about 43981.3383266130. The cubic root of 1934358121 is about 1245.9835071980.

The spelling of 1934358121 in words is "one billion, nine hundred thirty-four million, three hundred fifty-eight thousand, one hundred twenty-one".