42033254363251 has 2 divisors, whose sum is σ = 42033254363252. Its totient is φ = 42033254363250.

The previous prime is 42033254363249. The next prime is 42033254363281. The reversal of 42033254363251 is 15236345233024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42033254363251 - 2¹ = 42033254363249 is a prime.

Together with 42033254363249, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42033254363198 and 42033254363207.

It is not a weakly prime, because it can be changed into another prime (42033254363231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016627181625 + 21016627181626.

It is an arithmetic number, because the mean of its divisors is an integer number (21016627181626).

Almost surely, 2^{42033254363251} is an apocalyptic number.

42033254363251 is a deficient number, since it is larger than the sum of its proper divisors (1).

42033254363251 is an equidigital number, since it uses as much as digits as its factorization.

42033254363251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 43.

Adding to 42033254363251 its reverse (15236345233024), we get a palindrome (57269599596275).

The spelling of 42033254363251 in words is "forty-two trillion, thirty-three billion, two hundred fifty-four million, three hundred sixty-three thousand, two hundred fifty-one".