3493329857 has 2 divisors, whose sum is σ = 3493329858. Its totient is φ = 3493329856.

The previous prime is 3493329793. The next prime is 3493329887. The reversal of 3493329857 is 7589233943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3466383376 + 26946481 = 58876^2 + 5191^2 .

It is an emirp because it is prime and its reverse (7589233943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3493329857 - 2⁶ = 3493329793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3493329799 and 3493329808.

It is not a weakly prime, because it can be changed into another prime (3493329887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746664928 + 1746664929.

It is an arithmetic number, because the mean of its divisors is an integer number (1746664929).

Almost surely, 2^3493329857 is an apocalyptic number.

It is an amenable number.

3493329857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3493329857 is an equidigital number, since it uses as much as digits as its factorization.

3493329857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 53.

The square root of 3493329857 is about 59104.3979497296. The cubic root of 3493329857 is about 1517.3293734136.

The spelling of 3493329857 in words is "three billion, four hundred ninety-three million, three hundred twenty-nine thousand, eight hundred fifty-seven".