42417848251 has 8 divisors (see below), whose sum is σ = 44661556800. Its totient is φ = 40175258760.

The previous prime is 42417848237. The next prime is 42417848257. The reversal of 42417848251 is 15284871424.

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

It is a cyclic number.

It is not a de Polignac number, because 42417848251 - 2³³ = 33827913659 is a prime.

It is a super-4 number, since 4×42417848251⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42417848257) 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, 201385 + ... + 354106.

It is an arithmetic number, because the mean of its divisors is an integer number (5582694600).

Almost surely, 2^42417848251 is an apocalyptic number.

42417848251 is a deficient number, since it is larger than the sum of its proper divisors (2243708549).

42417848251 is a wasteful number, since it uses less digits than its factorization.

42417848251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559529.

The product of its digits is 573440, while the sum is 46.

The spelling of 42417848251 in words is "forty-two billion, four hundred seventeen million, eight hundred forty-eight thousand, two hundred fifty-one".