3018774949 has 8 divisors (see below), whose sum is σ = 3197541528. Its totient is φ = 2840140800.

The previous prime is 3018774919. The next prime is 3018774971. The reversal of 3018774949 is 9494778103.

It can be written as a sum of positive squares in 4 ways, for example, as 648058849 + 2370716100 = 25457^2 + 48690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3018774949 is a prime.

It is a super-2 number, since 2×3018774949² = 18226004385419905202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3018774896 and 3018774905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3018774919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15919 + ... + 79315.

It is an arithmetic number, because the mean of its divisors is an integer number (399692691).

Almost surely, 2^3018774949 is an apocalyptic number.

It is an amenable number.

3018774949 is a deficient number, since it is larger than the sum of its proper divisors (178766579).

3018774949 is a wasteful number, since it uses less digits than its factorization.

3018774949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66215.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 3018774949 is about 54943.3794828822. The cubic root of 3018774949 is about 1445.2520002863.

The spelling of 3018774949 in words is "three billion, eighteen million, seven hundred seventy-four thousand, nine hundred forty-nine".