2664624019 has 2 divisors, whose sum is σ = 2664624020. Its totient is φ = 2664624018.

The previous prime is 2664623993. The next prime is 2664624073. The reversal of 2664624019 is 9104264662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2664624019 - 2¹³ = 2664615827 is a prime.

It is a super-2 number, since 2×2664624019² = 14200442325263424722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2664624119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332312009 + 1332312010.

It is an arithmetic number, because the mean of its divisors is an integer number (1332312010).

Almost surely, 2^2664624019 is an apocalyptic number.

2664624019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664624019 is an equidigital number, since it uses as much as digits as its factorization.

2664624019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 2664624019 is about 51619.9963095698. The cubic root of 2664624019 is about 1386.3683850596.

The spelling of 2664624019 in words is "two billion, six hundred sixty-four million, six hundred twenty-four thousand, nineteen".