2154414356 has 6 divisors (see below), whose sum is σ = 3770225130. Its totient is φ = 1077207176.

The previous prime is 2154414349. The next prime is 2154414371. The reversal of 2154414356 is 6534144512.

It can be written as a sum of positive squares in only one way, i.e., 1882692100 + 271722256 = 43390^2 + 16484^2 .

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, 269301791 + ... + 269301798.

It is an arithmetic number, because the mean of its divisors is an integer number (628370855).

Almost surely, 2^2154414356 is an apocalyptic number.

It is an amenable number.

2154414356 is a deficient number, since it is larger than the sum of its proper divisors (1615810774).

2154414356 is a wasteful number, since it uses less digits than its factorization.

2154414356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538603593 (or 538603591 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 2154414356 is about 46415.6692938926. The cubic root of 2154414356 is about 1291.5456016915.

Adding to 2154414356 its reverse (6534144512), we get a palindrome (8688558868).

The spelling of 2154414356 in words is "two billion, one hundred fifty-four million, four hundred fourteen thousand, three hundred fifty-six".