618029954 has 4 divisors (see below), whose sum is σ = 927044934. Its totient is φ = 309014976.

The previous prime is 618029953. The next prime is 618029957. The reversal of 618029954 is 459920816.

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., 376942225 + 241087729 = 19415^2 + 15527^2 .

It is a super-2 number, since 2×618029954² = 763922048082484232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (618029953) by changing a digit.

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 as a sum of consecutive naturals, namely, 154507487 + ... + 154507490.

Almost surely, 2^618029954 is an apocalyptic number.

618029954 is a deficient number, since it is larger than the sum of its proper divisors (309014980).

618029954 is a wasteful number, since it uses less digits than its factorization.

618029954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309014979.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 618029954 is about 24860.2082453064. The cubic root of 618029954 is about 851.7977884563.

The spelling of 618029954 in words is "six hundred eighteen million, twenty-nine thousand, nine hundred fifty-four".