2154013433 has 16 divisors (see below), whose sum is σ = 2592317952. Its totient is φ = 1763472000.

The previous prime is 2154013429. The next prime is 2154013471. The reversal of 2154013433 is 3343104512.

It is a cyclic number.

It is not a de Polignac number, because 2154013433 - 2² = 2154013429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2154013493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177833 + ... + 189558.

It is an arithmetic number, because the mean of its divisors is an integer number (162019872).

Almost surely, 2^2154013433 is an apocalyptic number.

It is an amenable number.

2154013433 is a deficient number, since it is larger than the sum of its proper divisors (438304519).

2154013433 is a wasteful number, since it uses less digits than its factorization.

2154013433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367456.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2154013433 is about 46411.3502604697. The cubic root of 2154013433 is about 1291.4654805425.

Adding to 2154013433 its reverse (3343104512), we get a palindrome (5497117945).

The spelling of 2154013433 in words is "two billion, one hundred fifty-four million, thirteen thousand, four hundred thirty-three".