2263744640547 has 48 divisors (see below), whose sum is σ = 3574866361248. Its totient is φ = 1371925209600.

The previous prime is 2263744640519. The next prime is 2263744640569. The reversal of 2263744640547 is 7450464473622.

2263744640547 is a `hidden beast` number, since 2 + 2 + 6 + 37 + 4 + 4 + 64 + 0 + 547 = 666.

It is not a de Polignac number, because 2263744640547 - 2¹⁸ = 2263744378403 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2263744640493 and 2263744640502.

It is not an unprimeable number, because it can be changed into a prime (2263744640587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31892797 + ... + 31963697.

It is an arithmetic number, because the mean of its divisors is an integer number (74476382526).

Almost surely, 2^{2263744640547} is an apocalyptic number.

2263744640547 is a deficient number, since it is larger than the sum of its proper divisors (1311121720701).

2263744640547 is a wasteful number, since it uses less digits than its factorization.

2263744640547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75060 (or 75057 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 54.

The spelling of 2263744640547 in words is "two trillion, two hundred sixty-three billion, seven hundred forty-four million, six hundred forty thousand, five hundred forty-seven".