70353703573 has 2 divisors, whose sum is σ = 70353703574. Its totient is φ = 70353703572.

The previous prime is 70353703531. The next prime is 70353703597. The reversal of 70353703573 is 37530735307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48471306244 + 21882397329 = 220162^2 + 147927^2 .

It is a cyclic number.

It is not a de Polignac number, because 70353703573 - 2¹³ = 70353695381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70353103573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35176851786 + 35176851787.

It is an arithmetic number, because the mean of its divisors is an integer number (35176851787).

Almost surely, 2^70353703573 is an apocalyptic number.

It is an amenable number.

70353703573 is a deficient number, since it is larger than the sum of its proper divisors (1).

70353703573 is an equidigital number, since it uses as much as digits as its factorization.

70353703573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 694575, while the sum is 43.

The spelling of 70353703573 in words is "seventy billion, three hundred fifty-three million, seven hundred three thousand, five hundred seventy-three".