42015433450993 has 2 divisors, whose sum is σ = 42015433450994. Its totient is φ = 42015433450992.

The previous prime is 42015433450987. The next prime is 42015433451077. The reversal of 42015433450993 is 39905433451024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41170997430369 + 844436020624 = 6416463^2 + 918932^2 .

It is a cyclic number.

It is not a de Polignac number, because 42015433450993 - 2⁴⁵ = 6831061362161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42015433450993.

It is not a weakly prime, because it can be changed into another prime (42015433457993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007716725496 + 21007716725497.

It is an arithmetic number, because the mean of its divisors is an integer number (21007716725497).

Almost surely, 2^{42015433450993} is an apocalyptic number.

It is an amenable number.

42015433450993 is a deficient number, since it is larger than the sum of its proper divisors (1).

42015433450993 is an equidigital number, since it uses as much as digits as its factorization.

42015433450993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 42015433450993 in words is "forty-two trillion, fifteen billion, four hundred thirty-three million, four hundred fifty thousand, nine hundred ninety-three".