42409026263 has 4 divisors (see below), whose sum is σ = 43555216200. Its totient is φ = 41262836328.

The previous prime is 42409026241. The next prime is 42409026277. The reversal of 42409026263 is 36262090424.

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 42409026263 - 2⁶ = 42409026199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42409026563) 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, 573094913 + ... + 573094986.

It is an arithmetic number, because the mean of its divisors is an integer number (10888804050).

Almost surely, 2^42409026263 is an apocalyptic number.

42409026263 is a deficient number, since it is larger than the sum of its proper divisors (1146189937).

42409026263 is a wasteful number, since it uses less digits than its factorization.

42409026263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146189936.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 42409026263 in words is "forty-two billion, four hundred nine million, twenty-six thousand, two hundred sixty-three".