3245849037257 has 2 divisors, whose sum is σ = 3245849037258. Its totient is φ = 3245849037256.

The previous prime is 3245849037239. The next prime is 3245849037329. The reversal of 3245849037257 is 7527309485423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3226779912976 + 19069124281 = 1796324^2 + 138091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3245849037257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3245849037196 and 3245849037205.

It is not a weakly prime, because it can be changed into another prime (3245849037157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622924518628 + 1622924518629.

It is an arithmetic number, because the mean of its divisors is an integer number (1622924518629).

Almost surely, 2^{3245849037257} is an apocalyptic number.

It is an amenable number.

3245849037257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245849037257 is an equidigital number, since it uses as much as digits as its factorization.

3245849037257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50803200, while the sum is 59.

The spelling of 3245849037257 in words is "three trillion, two hundred forty-five billion, eight hundred forty-nine million, thirty-seven thousand, two hundred fifty-seven".