2125421934 has 8 divisors (see below), whose sum is σ = 4250843880. Its totient is φ = 708473976.

The previous prime is 2125421933. The next prime is 2125421939. The reversal of 2125421934 is 4391245212.

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

2125421934 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2125421895 and 2125421904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125421933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177118489 + ... + 177118500.

It is an arithmetic number, because the mean of its divisors is an integer number (531355485).

Almost surely, 2^2125421934 is an apocalyptic number.

2125421934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2125421934 is a wasteful number, since it uses less digits than its factorization.

2125421934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354236994.

The product of its digits is 17280, while the sum is 33.

The square root of 2125421934 is about 46102.2985761014. The cubic root of 2125421934 is about 1285.7258807667.

The spelling of 2125421934 in words is "two billion, one hundred twenty-five million, four hundred twenty-one thousand, nine hundred thirty-four".