2918669387 has 4 divisors (see below), whose sum is σ = 3045568080. Its totient is φ = 2791770696.

The previous prime is 2918669339. The next prime is 2918669393. The reversal of 2918669387 is 7839668192.

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

It is a cyclic number.

It is not a de Polignac number, because 2918669387 - 2¹⁸ = 2918407243 is a prime.

It is a super-2 number, since 2×2918669387² = 17037261981221911538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2918669317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63449312 + ... + 63449357.

It is an arithmetic number, because the mean of its divisors is an integer number (761392020).

Almost surely, 2^2918669387 is an apocalyptic number.

2918669387 is a deficient number, since it is larger than the sum of its proper divisors (126898693).

2918669387 is a wasteful number, since it uses less digits than its factorization.

2918669387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126898692.

The product of its digits is 7838208, while the sum is 59.

The square root of 2918669387 is about 54024.7108923315. The cubic root of 2918669387 is about 1429.0967590535.

The spelling of 2918669387 in words is "two billion, nine hundred eighteen million, six hundred sixty-nine thousand, three hundred eighty-seven".