42266527421 has 4 divisors (see below), whose sum is σ = 42415879392. Its totient is φ = 42117175452.

The previous prime is 42266527403. The next prime is 42266527469. The reversal of 42266527421 is 12472566224.

42266527421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42266527421 - 2¹⁰ = 42266526397 is a prime.

It is a super-2 number, since 2×42266527421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42266577421) 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, 74675561 + ... + 74676126.

It is an arithmetic number, because the mean of its divisors is an integer number (10603969848).

Almost surely, 2^42266527421 is an apocalyptic number.

It is an amenable number.

42266527421 is a deficient number, since it is larger than the sum of its proper divisors (149351971).

42266527421 is a wasteful number, since it uses less digits than its factorization.

42266527421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149351970.

The product of its digits is 322560, while the sum is 41.

The spelling of 42266527421 in words is "forty-two billion, two hundred sixty-six million, five hundred twenty-seven thousand, four hundred twenty-one".