5142638623 has 2 divisors, whose sum is σ = 5142638624. Its totient is φ = 5142638622.

The previous prime is 5142638593. The next prime is 5142638663. The reversal of 5142638623 is 3268362415.

It is an a-pointer prime, because the next prime (5142638663) can be obtained adding 5142638623 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5142638623 - 2¹⁷ = 5142507551 is a prime.

It is a super-2 number, since 2×5142638623² = 52893464013542672258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5142638663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571319311 + 2571319312.

It is an arithmetic number, because the mean of its divisors is an integer number (2571319312).

Almost surely, 2^5142638623 is an apocalyptic number.

5142638623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5142638623 is an equidigital number, since it uses as much as digits as its factorization.

5142638623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 5142638623 is about 71712.1929869670. The cubic root of 5142638623 is about 1726.0843002105.

The spelling of 5142638623 in words is "five billion, one hundred forty-two million, six hundred thirty-eight thousand, six hundred twenty-three".