2138959999263 has 16 divisors (see below), whose sum is σ = 2880519459840. Its totient is φ = 1411716184704.

The previous prime is 2138959999249. The next prime is 2138959999277. The reversal of 2138959999263 is 3629999598312.

It is an interprime number because it is at equal distance from previous prime (2138959999249) and next prime (2138959999277).

It is not a de Polignac number, because 2138959999263 - 2¹³ = 2138959991071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138959994263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3363073 + ... + 3948186.

It is an arithmetic number, because the mean of its divisors is an integer number (180032466240).

Almost surely, 2^{2138959999263} is an apocalyptic number.

2138959999263 is a deficient number, since it is larger than the sum of its proper divisors (741559460577).

2138959999263 is a wasteful number, since it uses less digits than its factorization.

2138959999263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312238.

The product of its digits is 510183360, while the sum is 75.

The spelling of 2138959999263 in words is "two trillion, one hundred thirty-eight billion, nine hundred fifty-nine million, nine hundred ninety-nine thousand, two hundred sixty-three".