42712632245 has 4 divisors (see below), whose sum is σ = 51255158700. Its totient is φ = 34170105792.

The previous prime is 42712632233. The next prime is 42712632251. The reversal of 42712632245 is 54223621724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21817062436 + 20895569809 = 147706^2 + 144553^2 .

It is a cyclic number.

It is not a de Polignac number, because 42712632245 - 2¹⁶ = 42712566709 is a prime.

It is a super-2 number, since 2×42712632245² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42712632199 and 42712632208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271263220 + ... + 4271263229.

It is an arithmetic number, because the mean of its divisors is an integer number (12813789675).

Almost surely, 2^42712632245 is an apocalyptic number.

It is an amenable number.

42712632245 is a deficient number, since it is larger than the sum of its proper divisors (8542526455).

42712632245 is an equidigital number, since it uses as much as digits as its factorization.

42712632245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542526454.

The product of its digits is 161280, while the sum is 38.

The spelling of 42712632245 in words is "forty-two billion, seven hundred twelve million, six hundred thirty-two thousand, two hundred forty-five".