265272421743 has 32 divisors (see below), whose sum is σ = 455291097600. Its totient is φ = 149507736768.

The previous prime is 265272421727. The next prime is 265272421783. The reversal of 265272421743 is 347124272562.

It is not a de Polignac number, because 265272421743 - 2⁴ = 265272421727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265272421783) 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, 9599613 + ... + 9627206.

It is an arithmetic number, because the mean of its divisors is an integer number (14227846800).

Almost surely, 2^265272421743 is an apocalyptic number.

265272421743 is a deficient number, since it is larger than the sum of its proper divisors (190018675857).

265272421743 is a wasteful number, since it uses less digits than its factorization.

265272421743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19226908 (or 19226902 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 265272421743 in words is "two hundred sixty-five billion, two hundred seventy-two million, four hundred twenty-one thousand, seven hundred forty-three".