42436749265 has 32 divisors (see below), whose sum is σ = 54769188096. Its totient is φ = 31486371840.

The previous prime is 42436749259. The next prime is 42436749269. The reversal of 42436749265 is 56294763424.

It is not a de Polignac number, because 42436749265 - 2⁵ = 42436749233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42436749269) 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, 740937 + ... + 796153.

It is an arithmetic number, because the mean of its divisors is an integer number (1711537128).

Almost surely, 2^42436749265 is an apocalyptic number.

It is an amenable number.

42436749265 is a deficient number, since it is larger than the sum of its proper divisors (12332438831).

42436749265 is a wasteful number, since it uses less digits than its factorization.

42436749265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55449.

The product of its digits is 8709120, while the sum is 52.

The spelling of 42436749265 in words is "forty-two billion, four hundred thirty-six million, seven hundred forty-nine thousand, two hundred sixty-five".