235426742539 has 4 divisors (see below), whose sum is σ = 235442859120. Its totient is φ = 235410625960.

The previous prime is 235426742533. The next prime is 235426742543. The reversal of 235426742539 is 935247624532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 235426742539 - 2²³ = 235418353931 is a prime.

It is a super-2 number, since 2×235426742539² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235426742533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8036359 + ... + 8065600.

It is an arithmetic number, because the mean of its divisors is an integer number (58860714780).

Almost surely, 2^235426742539 is an apocalyptic number.

235426742539 is a deficient number, since it is larger than the sum of its proper divisors (16116581).

235426742539 is a wasteful number, since it uses less digits than its factorization.

235426742539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16116580.

The product of its digits is 10886400, while the sum is 52.

The spelling of 235426742539 in words is "two hundred thirty-five billion, four hundred twenty-six million, seven hundred forty-two thousand, five hundred thirty-nine".