42546105451 has 2 divisors, whose sum is σ = 42546105452. Its totient is φ = 42546105450.

The previous prime is 42546105421. The next prime is 42546105467. The reversal of 42546105451 is 15450164524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42546105451 - 2⁵ = 42546105419 is a prime.

It is a super-2 number, since 2×42546105451² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42546105451.

It is not a weakly prime, because it can be changed into another prime (42546105421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21273052725 + 21273052726.

It is an arithmetic number, because the mean of its divisors is an integer number (21273052726).

Almost surely, 2^42546105451 is an apocalyptic number.

42546105451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42546105451 is an equidigital number, since it uses as much as digits as its factorization.

42546105451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 42546105451 its reverse (15450164524), we get a palindrome (57996269975).

The spelling of 42546105451 in words is "forty-two billion, five hundred forty-six million, one hundred five thousand, four hundred fifty-one".