5436645023 has 2 divisors, whose sum is σ = 5436645024. Its totient is φ = 5436645022.

The previous prime is 5436644981. The next prime is 5436645029. The reversal of 5436645023 is 3205466345.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5436645023 is a prime.

It is a super-2 number, since 2×5436645023² = 59114218212221341058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5436645029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718322511 + 2718322512.

It is an arithmetic number, because the mean of its divisors is an integer number (2718322512).

Almost surely, 2^5436645023 is an apocalyptic number.

5436645023 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436645023 is an equidigital number, since it uses as much as digits as its factorization.

5436645023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 38.

The square root of 5436645023 is about 73733.6085038566. The cubic root of 5436645023 is about 1758.3702439626.

The spelling of 5436645023 in words is "five billion, four hundred thirty-six million, six hundred forty-five thousand, twenty-three".