2918019997 has 4 divisors (see below), whose sum is σ = 2924322880. Its totient is φ = 2911717116.

The previous prime is 2918019989. The next prime is 2918020009. The reversal of 2918019997 is 7999108192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2918019997 - 2³ = 2918019989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918019967) 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, 3150747 + ... + 3151672.

It is an arithmetic number, because the mean of its divisors is an integer number (731080720).

Almost surely, 2^2918019997 is an apocalyptic number.

It is an amenable number.

2918019997 is a deficient number, since it is larger than the sum of its proper divisors (6302883).

2918019997 is an equidigital number, since it uses as much as digits as its factorization.

2918019997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302882.

The product of its (nonzero) digits is 734832, while the sum is 55.

The square root of 2918019997 is about 54018.7004379039. The cubic root of 2918019997 is about 1428.9907621238.

The spelling of 2918019997 in words is "two billion, nine hundred eighteen million, nineteen thousand, nine hundred ninety-seven".