42479038247 has 4 divisors (see below), whose sum is σ = 42573646800. Its totient is φ = 42384429696.

The previous prime is 42479038219. The next prime is 42479038271. The reversal of 42479038247 is 74283097424.

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 42479038247 - 2¹² = 42479034151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42479038195 and 42479038204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42479038747) 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, 47303603 + ... + 47304500.

It is an arithmetic number, because the mean of its divisors is an integer number (10643411700).

Almost surely, 2^42479038247 is an apocalyptic number.

42479038247 is a deficient number, since it is larger than the sum of its proper divisors (94608553).

42479038247 is an equidigital number, since it uses as much as digits as its factorization.

42479038247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94608552.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 42479038247 in words is "forty-two billion, four hundred seventy-nine million, thirty-eight thousand, two hundred forty-seven".