2135647534997 has 2 divisors, whose sum is σ = 2135647534998. Its totient is φ = 2135647534996.

The previous prime is 2135647534931. The next prime is 2135647535033. The reversal of 2135647534997 is 7994357465312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002674995281 + 132972539716 = 1415159^2 + 364654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135647534997 - 2³⁰ = 2134573793173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135647530997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067823767498 + 1067823767499.

It is an arithmetic number, because the mean of its divisors is an integer number (1067823767499).

Almost surely, 2^{2135647534997} is an apocalyptic number.

It is an amenable number.

2135647534997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135647534997 is an equidigital number, since it uses as much as digits as its factorization.

2135647534997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 171460800, while the sum is 65.

The spelling of 2135647534997 in words is "two trillion, one hundred thirty-five billion, six hundred forty-seven million, five hundred thirty-four thousand, nine hundred ninety-seven".