42253087479 has 8 divisors (see below), whose sum is σ = 56573172480. Its totient is φ = 28050863736.

The previous prime is 42253087477. The next prime is 42253087517. The reversal of 42253087479 is 97478035224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42253087479 - 2¹ = 42253087477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253087477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29464477 + ... + 29465910.

It is an arithmetic number, because the mean of its divisors is an integer number (7071646560).

Almost surely, 2^42253087479 is an apocalyptic number.

42253087479 is a deficient number, since it is larger than the sum of its proper divisors (14320085001).

42253087479 is a wasteful number, since it uses less digits than its factorization.

42253087479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58930629.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 42253087479 in words is "forty-two billion, two hundred fifty-three million, eighty-seven thousand, four hundred seventy-nine".