8135563063749 has 64 divisors (see below), whose sum is σ = 12659639040000. Its totient is φ = 4595436426240.

The previous prime is 8135563063729. The next prime is 8135563063781. The reversal of 8135563063749 is 9473603655318.

It is not a de Polignac number, because 8135563063749 - 2⁸ = 8135563063493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8135563063692 and 8135563063701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135563063729) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10738489 + ... + 11471105.

It is an arithmetic number, because the mean of its divisors is an integer number (197806860000).

Almost surely, 2^{8135563063749} is an apocalyptic number.

8135563063749 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

8135563063749 is a deficient number, since it is larger than the sum of its proper divisors (4524075976251).

8135563063749 is a wasteful number, since it uses less digits than its factorization.

8135563063749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732938.

The product of its (nonzero) digits is 48988800, while the sum is 60.

The spelling of 8135563063749 in words is "eight trillion, one hundred thirty-five billion, five hundred sixty-three million, sixty-three thousand, seven hundred forty-nine".