2619423616 has 32 divisors (see below), whose sum is σ = 5386726080. Its totient is φ = 1267461120.

The previous prime is 2619423613. The next prime is 2619423623. The reversal of 2619423616 is 6163249162.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2619423616² = 13722760160117030912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2619423613) 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, 326101 + ... + 334036.

It is an arithmetic number, because the mean of its divisors is an integer number (168335190).

Almost surely, 2^2619423616 is an apocalyptic number.

It is an amenable number.

2619423616 is an abundant number, since it is smaller than the sum of its proper divisors (2767302464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2619423616 is an equidigital number, since it uses as much as digits as its factorization.

2619423616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660182 (or 660170 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 2619423616 is about 51180.3049619675. The cubic root of 2619423616 is about 1378.4845816706.

The spelling of 2619423616 in words is "two billion, six hundred nineteen million, four hundred twenty-three thousand, six hundred sixteen".