2135555670047 has 2 divisors, whose sum is σ = 2135555670048. Its totient is φ = 2135555670046.

The previous prime is 2135555670043. The next prime is 2135555670103. The reversal of 2135555670047 is 7400765555312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2135555670047 - 2² = 2135555670043 is a prime.

It is a super-2 number, since 2×2135555670047² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2135555669977 and 2135555670004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135555670043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067777835023 + 1067777835024.

It is an arithmetic number, because the mean of its divisors is an integer number (1067777835024).

Almost surely, 2^{2135555670047} is an apocalyptic number.

2135555670047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135555670047 is an equidigital number, since it uses as much as digits as its factorization.

2135555670047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410000, while the sum is 50.

The spelling of 2135555670047 in words is "two trillion, one hundred thirty-five billion, five hundred fifty-five million, six hundred seventy thousand, forty-seven".