35138538869685 has 16 divisors (see below), whose sum is σ = 59180697044160. Its totient is φ = 17754209112960.

The previous prime is 35138538869671. The next prime is 35138538869699. The reversal of 35138538869685 is 58696883583153.

It is an interprime number because it is at equal distance from previous prime (35138538869671) and next prime (35138538869699).

It is not a de Polignac number, because 35138538869685 - 2⁵ = 35138538869653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35138538869685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61646559136 + ... + 61646559705.

It is an arithmetic number, because the mean of its divisors is an integer number (3698793565260).

Almost surely, 2^{35138538869685} is an apocalyptic number.

It is an amenable number.

35138538869685 is a deficient number, since it is larger than the sum of its proper divisors (24042158174475).

35138538869685 is a wasteful number, since it uses less digits than its factorization.

35138538869685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123293118868.

The product of its digits is 4478976000, while the sum is 78.

The spelling of 35138538869685 in words is "thirty-five trillion, one hundred thirty-eight billion, five hundred thirty-eight million, eight hundred sixty-nine thousand, six hundred eighty-five".