1918608314 has 32 divisors (see below), whose sum is σ = 3378900096. Its totient is φ = 799948800.

The previous prime is 1918608311. The next prime is 1918608317. The reversal of 1918608314 is 4138068191.

It is an interprime number because it is at equal distance from previous prime (1918608311) and next prime (1918608317).

It is not an unprimeable number, because it can be changed into a prime (1918608311) 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, 148514 + ... + 160914.

It is an arithmetic number, because the mean of its divisors is an integer number (105590628).

Almost surely, 2^1918608314 is an apocalyptic number.

1918608314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1918608314 is a deficient number, since it is larger than the sum of its proper divisors (1460291782).

1918608314 is a wasteful number, since it uses less digits than its factorization.

1918608314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12710.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1918608314 is about 43801.9213505526. The cubic root of 1918608314 is about 1242.5926317427.

The spelling of 1918608314 in words is "one billion, nine hundred eighteen million, six hundred eight thousand, three hundred fourteen".