42551424212413 has 2 divisors, whose sum is σ = 42551424212414. Its totient is φ = 42551424212412.

The previous prime is 42551424212333. The next prime is 42551424212431. The reversal of 42551424212413 is 31421242415524.

Together with next prime (42551424212431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41285803712409 + 1265620500004 = 6425403^2 + 1124998^2 .

It is a cyclic number.

It is not a de Polignac number, because 42551424212413 - 2³⁷ = 42413985258941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42551424212443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21275712106206 + 21275712106207.

It is an arithmetic number, because the mean of its divisors is an integer number (21275712106207).

Almost surely, 2^{42551424212413} is an apocalyptic number.

It is an amenable number.

42551424212413 is a deficient number, since it is larger than the sum of its proper divisors (1).

42551424212413 is an equidigital number, since it uses as much as digits as its factorization.

42551424212413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 307200, while the sum is 40.

Adding to 42551424212413 its reverse (31421242415524), we get a palindrome (73972666627937).

The spelling of 42551424212413 in words is "forty-two trillion, five hundred fifty-one billion, four hundred twenty-four million, two hundred twelve thousand, four hundred thirteen".