1954521234 has 12 divisors (see below), whose sum is σ = 4234796046. Its totient is φ = 651507072.

The previous prime is 1954521221. The next prime is 1954521251. The reversal of 1954521234 is 4321254591.

1954521234 is a `hidden beast` number, since 195 + 452 + 12 + 3 + 4 = 666.

1954521234 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1550390625 + 404130609 = 39375^2 + 20103^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54292239 + ... + 54292274.

Almost surely, 2^1954521234 is an apocalyptic number.

1954521234 is an abundant number, since it is smaller than the sum of its proper divisors (2280274812).

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

1954521234 is a wasteful number, since it uses less digits than its factorization.

1954521234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108584521 (or 108584518 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1954521234 is about 44209.9675865070. The cubic root of 1954521234 is about 1250.2977923035.

The spelling of 1954521234 in words is "one billion, nine hundred fifty-four million, five hundred twenty-one thousand, two hundred thirty-four".