42064250451 has 4 divisors (see below), whose sum is σ = 56085667272. Its totient is φ = 28042833632.

The previous prime is 42064250387. The next prime is 42064250471. The reversal of 42064250451 is 15405246024.

42064250451 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.

It is a cyclic number.

It is not a de Polignac number, because 42064250451 - 2⁶ = 42064250387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42064250471) 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, 7010708406 + ... + 7010708411.

It is an arithmetic number, because the mean of its divisors is an integer number (14021416818).

Almost surely, 2^42064250451 is an apocalyptic number.

42064250451 is a deficient number, since it is larger than the sum of its proper divisors (14021416821).

42064250451 is a wasteful number, since it uses less digits than its factorization.

42064250451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14021416820.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 42064250451 its reverse (15405246024), we get a palindrome (57469496475).

The spelling of 42064250451 in words is "forty-two billion, sixty-four million, two hundred fifty thousand, four hundred fifty-one".