2154098918 has 8 divisors (see below), whose sum is σ = 3309957000. Its totient is φ = 1050779920.

The previous prime is 2154098899. The next prime is 2154098939. The reversal of 2154098918 is 8198904512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13134668 + ... + 13134831.

It is an arithmetic number, because the mean of its divisors is an integer number (413744625).

Almost surely, 2^2154098918 is an apocalyptic number.

2154098918 is a deficient number, since it is larger than the sum of its proper divisors (1155858082).

2154098918 is a wasteful number, since it uses less digits than its factorization.

2154098918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26269542.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 2154098918 is about 46412.2712006211. The cubic root of 2154098918 is about 1291.4825648473.

The spelling of 2154098918 in words is "two billion, one hundred fifty-four million, ninety-eight thousand, nine hundred eighteen".