43725504263 has 16 divisors (see below), whose sum is σ = 52156016640. Its totient is φ = 35841702336.

The previous prime is 43725504259. The next prime is 43725504287. The reversal of 43725504263 is 36240552734.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43725504263 - 2² = 43725504259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43725504263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43725504223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784331 + ... + 838227.

It is an arithmetic number, because the mean of its divisors is an integer number (3259751040).

Almost surely, 2^43725504263 is an apocalyptic number.

43725504263 is a deficient number, since it is larger than the sum of its proper divisors (8430512377).

43725504263 is a wasteful number, since it uses less digits than its factorization.

43725504263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58966.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 43725504263 in words is "forty-three billion, seven hundred twenty-five million, five hundred four thousand, two hundred sixty-three".