2635843738047 has 32 divisors (see below), whose sum is σ = 3799762046976. Its totient is φ = 1615649068800.

The previous prime is 2635843738013. The next prime is 2635843738051. The reversal of 2635843738047 is 7408373485362.

It is not a de Polignac number, because 2635843738047 - 2¹⁴ = 2635843721663 is a prime.

It is a super-2 number, since 2×2635843738047² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2635843738057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43016922 + ... + 43078152.

It is an arithmetic number, because the mean of its divisors is an integer number (118742563968).

Almost surely, 2^{2635843738047} is an apocalyptic number.

2635843738047 is a deficient number, since it is larger than the sum of its proper divisors (1163918308929).

2635843738047 is a wasteful number, since it uses less digits than its factorization.

2635843738047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65591.

The product of its (nonzero) digits is 81285120, while the sum is 60.

The spelling of 2635843738047 in words is "two trillion, six hundred thirty-five billion, eight hundred forty-three million, seven hundred thirty-eight thousand, forty-seven".