42427200451 has 2 divisors, whose sum is σ = 42427200452. Its totient is φ = 42427200450.

The previous prime is 42427200379. The next prime is 42427200461. The reversal of 42427200451 is 15400272424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42427200451 - 2⁹ = 42427199939 is a prime.

It is a super-3 number, since 3×42427200451³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (42427200461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21213600225 + 21213600226.

It is an arithmetic number, because the mean of its divisors is an integer number (21213600226).

Almost surely, 2^42427200451 is an apocalyptic number.

42427200451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42427200451 is an equidigital number, since it uses as much as digits as its factorization.

42427200451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 42427200451 its reverse (15400272424), we get a palindrome (57827472875).

The spelling of 42427200451 in words is "forty-two billion, four hundred twenty-seven million, two hundred thousand, four hundred fifty-one".