42703270993 has 2 divisors, whose sum is σ = 42703270994. Its totient is φ = 42703270992.

The previous prime is 42703270957. The next prime is 42703271021. The reversal of 42703270993 is 39907230724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38561962384 + 4141308609 = 196372^2 + 64353^2 .

It is a cyclic number.

It is not a de Polignac number, because 42703270993 - 2¹³ = 42703262801 is a prime.

It is not a weakly prime, because it can be changed into another prime (42703270933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21351635496 + 21351635497.

It is an arithmetic number, because the mean of its divisors is an integer number (21351635497).

Almost surely, 2^42703270993 is an apocalyptic number.

It is an amenable number.

42703270993 is a deficient number, since it is larger than the sum of its proper divisors (1).

42703270993 is an equidigital number, since it uses as much as digits as its factorization.

42703270993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 42703270993 in words is "forty-two billion, seven hundred three million, two hundred seventy thousand, nine hundred ninety-three".