2154386324 has 6 divisors (see below), whose sum is σ = 3770176074. Its totient is φ = 1077193160.

The previous prime is 2154386317. The next prime is 2154386341. The reversal of 2154386324 is 4236834512.

It can be written as a sum of positive squares in only one way, i.e., 1919316100 + 235070224 = 43810^2 + 15332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269298287 + ... + 269298294.

It is an arithmetic number, because the mean of its divisors is an integer number (628362679).

Almost surely, 2^2154386324 is an apocalyptic number.

It is an amenable number.

2154386324 is a deficient number, since it is larger than the sum of its proper divisors (1615789750).

2154386324 is a wasteful number, since it uses less digits than its factorization.

2154386324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538596585 (or 538596583 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 2154386324 is about 46415.3673259191. The cubic root of 2154386324 is about 1291.5400000511.

The spelling of 2154386324 in words is "two billion, one hundred fifty-four million, three hundred eighty-six thousand, three hundred twenty-four".