618929314 has 4 divisors (see below), whose sum is σ = 928393974. Its totient is φ = 309464656.

The previous prime is 618929309. The next prime is 618929327. The reversal of 618929314 is 413929816.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 616777225 + 2152089 = 24835^2 + 1467^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154732327 + ... + 154732330.

Almost surely, 2^618929314 is an apocalyptic number.

618929314 is a deficient number, since it is larger than the sum of its proper divisors (309464660).

618929314 is a wasteful number, since it uses less digits than its factorization.

618929314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309464659.

The product of its digits is 93312, while the sum is 43.

The square root of 618929314 is about 24878.2900135841. The cubic root of 618929314 is about 852.2107682030.

The spelling of 618929314 in words is "six hundred eighteen million, nine hundred twenty-nine thousand, three hundred fourteen".