2154531614 has 4 divisors (see below), whose sum is σ = 3231797424. Its totient is φ = 1077265806.

The previous prime is 2154531551. The next prime is 2154531623. The reversal of 2154531614 is 4161354512.

It is a semiprime because it is the product of two primes.

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, 538632902 + ... + 538632905.

It is an arithmetic number, because the mean of its divisors is an integer number (807949356).

Almost surely, 2^2154531614 is an apocalyptic number.

2154531614 is a deficient number, since it is larger than the sum of its proper divisors (1077265810).

2154531614 is a wasteful number, since it uses less digits than its factorization.

2154531614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077265809.

The product of its digits is 14400, while the sum is 32.

The square root of 2154531614 is about 46416.9324061813. The cubic root of 2154531614 is about 1291.5690328552.

The spelling of 2154531614 in words is "two billion, one hundred fifty-four million, five hundred thirty-one thousand, six hundred fourteen".