2618945492 has 12 divisors (see below), whose sum is σ = 4585390656. Its totient is φ = 1308833880.

The previous prime is 2618945473. The next prime is 2618945569. The reversal of 2618945492 is 2945498162.

It is a self number, because there is not a number n which added to its sum of digits gives 2618945492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150434 + ... + 166937.

It is an arithmetic number, because the mean of its divisors is an integer number (382115888).

Almost surely, 2^2618945492 is an apocalyptic number.

It is an amenable number.

2618945492 is a deficient number, since it is larger than the sum of its proper divisors (1966445164).

2618945492 is a wasteful number, since it uses less digits than its factorization.

2618945492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319438 (or 319436 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 2618945492 is about 51175.6337723335. The cubic root of 2618945492 is about 1378.4007048636.

The spelling of 2618945492 in words is "two billion, six hundred eighteen million, nine hundred forty-five thousand, four hundred ninety-two".