3618815742 has 12 divisors (see below), whose sum is σ = 7840767480. Its totient is φ = 1206271908.

The previous prime is 3618815741. The next prime is 3618815743. The reversal of 3618815742 is 2475188163.

It is an interprime number because it is at equal distance from previous prime (3618815741) and next prime (3618815743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618815741) 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 5 ways as a sum of consecutive naturals, for example, 100522642 + ... + 100522677.

It is an arithmetic number, because the mean of its divisors is an integer number (653397290).

Almost surely, 2^3618815742 is an apocalyptic number.

3618815742 is an abundant number, since it is smaller than the sum of its proper divisors (4221951738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3618815742 is a wasteful number, since it uses less digits than its factorization.

3618815742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201045327 (or 201045324 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 3618815742 is about 60156.5935039543. The cubic root of 3618815742 is about 1535.2843523905.

The spelling of 3618815742 in words is "three billion, six hundred eighteen million, eight hundred fifteen thousand, seven hundred forty-two".