2618628923 has 16 divisors (see below), whose sum is σ = 2738158080. Its totient is φ = 2502381600.

The previous prime is 2618628911. The next prime is 2618628937. The reversal of 2618628923 is 3298268162.

2618628923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2618628923 - 2²² = 2614434619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2618628973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395228 + ... + 401798.

It is an arithmetic number, because the mean of its divisors is an integer number (171134880).

Almost surely, 2^2618628923 is an apocalyptic number.

2618628923 is a deficient number, since it is larger than the sum of its proper divisors (119529157).

2618628923 is a wasteful number, since it uses less digits than its factorization.

2618628923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818.

The product of its digits is 497664, while the sum is 47.

The square root of 2618628923 is about 51172.5407127690. The cubic root of 2618628923 is about 1378.3451638685.

The spelling of 2618628923 in words is "two billion, six hundred eighteen million, six hundred twenty-eight thousand, nine hundred twenty-three".