2152034421 has 8 divisors (see below), whose sum is σ = 2872215840. Its totient is φ = 1433271312.

The previous prime is 2152034387. The next prime is 2152034447. The reversal of 2152034421 is 1244302512.

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

It is not a de Polignac number, because 2152034421 - 2¹⁰ = 2152033397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2152034391 and 2152034400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152034021) 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, 351031 + ... + 357108.

It is an arithmetic number, because the mean of its divisors is an integer number (359026980).

Almost surely, 2^2152034421 is an apocalyptic number.

It is an amenable number.

2152034421 is a deficient number, since it is larger than the sum of its proper divisors (720181419).

2152034421 is a wasteful number, since it uses less digits than its factorization.

2152034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709155.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2152034421 is about 46390.0250161605. The cubic root of 2152034421 is about 1291.0698456204.

Adding to 2152034421 its reverse (1244302512), we get a palindrome (3396336933).

The spelling of 2152034421 in words is "two billion, one hundred fifty-two million, thirty-four thousand, four hundred twenty-one".