13618314730 has 16 divisors (see below), whose sum is σ = 24614684424. Its totient is φ = 5424721920.

The previous prime is 13618314727. The next prime is 13618314737. The reversal of 13618314730 is 3741381631.

It can be written as a sum of positive squares in 4 ways, for example, as 13084843321 + 533471409 = 114389^2 + 23097^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13618314730.

It is not an unprimeable number, because it can be changed into a prime (13618314737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2822967 + ... + 2827786.

Almost surely, 2^13618314730 is an apocalyptic number.

13618314730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13618314730 is a deficient number, since it is larger than the sum of its proper divisors (10996369694).

13618314730 is a wasteful number, since it uses less digits than its factorization.

13618314730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651001.

The product of its (nonzero) digits is 36288, while the sum is 37.

It can be divided in two parts, 1361831 and 4730, that added together give a square (1366561 = 1169²).

The spelling of 13618314730 in words is "thirteen billion, six hundred eighteen million, three hundred fourteen thousand, seven hundred thirty".