2134955421 has 48 divisors (see below), whose sum is σ = 3373070400. Its totient is φ = 1334336256.

The previous prime is 2134955419. The next prime is 2134955453. The reversal of 2134955421 is 1245594312.

2134955421 is a `hidden beast` number, since 21 + 3 + 4 + 95 + 542 + 1 = 666.

It is not a de Polignac number, because 2134955421 - 2¹ = 2134955419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134955491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3269131 + ... + 3269783.

It is an arithmetic number, because the mean of its divisors is an integer number (70272300).

Almost surely, 2^2134955421 is an apocalyptic number.

It is an amenable number.

2134955421 is a deficient number, since it is larger than the sum of its proper divisors (1238114979).

2134955421 is a wasteful number, since it uses less digits than its factorization.

2134955421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1092 counting only the distinct ones).

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

The square root of 2134955421 is about 46205.5778126408. The cubic root of 2134955421 is about 1287.6453694030.

The spelling of 2134955421 in words is "two billion, one hundred thirty-four million, nine hundred fifty-five thousand, four hundred twenty-one".