42551304510019 has 2 divisors, whose sum is σ = 42551304510020. Its totient is φ = 42551304510018.

The previous prime is 42551304509969. The next prime is 42551304510041. The reversal of 42551304510019 is 91001540315524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42551304510019 - 2²¹ = 42551302412867 is a prime.

It is a super-2 number, since 2×42551304510019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42551304510119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21275652255009 + 21275652255010.

It is an arithmetic number, because the mean of its divisors is an integer number (21275652255010).

Almost surely, 2^{42551304510019} is an apocalyptic number.

42551304510019 is a deficient number, since it is larger than the sum of its proper divisors (1).

42551304510019 is an equidigital number, since it uses as much as digits as its factorization.

42551304510019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 42551304510019 in words is "forty-two trillion, five hundred fifty-one billion, three hundred four million, five hundred ten thousand, nineteen".