70437673393 has 2 divisors, whose sum is σ = 70437673394. Its totient is φ = 70437673392.

The previous prime is 70437673349. The next prime is 70437673451. The reversal of 70437673393 is 39337673407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70382498209 + 55175184 = 265297^2 + 7428^2 .

It is a cyclic number.

It is not a de Polignac number, because 70437673393 - 2⁹ = 70437672881 is a prime.

It is a super-2 number, since 2×70437673393² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70437673393.

It is not a weakly prime, because it can be changed into another prime (70437673193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35218836696 + 35218836697.

It is an arithmetic number, because the mean of its divisors is an integer number (35218836697).

Almost surely, 2^70437673393 is an apocalyptic number.

It is an amenable number.

70437673393 is a deficient number, since it is larger than the sum of its proper divisors (1).

70437673393 is an equidigital number, since it uses as much as digits as its factorization.

70437673393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6001128, while the sum is 52.

The spelling of 70437673393 in words is "seventy billion, four hundred thirty-seven million, six hundred seventy-three thousand, three hundred ninety-three".