2154664335 has 16 divisors (see below), whose sum is σ = 3496020480. Its totient is φ = 1132968480.

The previous prime is 2154664333. The next prime is 2154664373. The reversal of 2154664335 is 5334664512.

It is not a de Polignac number, because 2154664335 - 2¹ = 2154664333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2154664293 and 2154664302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154664333) 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, 1010515 + ... + 1012644.

It is an arithmetic number, because the mean of its divisors is an integer number (218501280).

Almost surely, 2^2154664335 is an apocalyptic number.

2154664335 is a deficient number, since it is larger than the sum of its proper divisors (1341356145).

2154664335 is a wasteful number, since it uses less digits than its factorization.

2154664335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023238.

The product of its digits is 259200, while the sum is 39.

The square root of 2154664335 is about 46418.3620456388. The cubic root of 2154664335 is about 1291.5955528983.

The spelling of 2154664335 in words is "two billion, one hundred fifty-four million, six hundred sixty-four thousand, three hundred thirty-five".