3345466389257 has 2 divisors, whose sum is σ = 3345466389258. Its totient is φ = 3345466389256.

The previous prime is 3345466389169. The next prime is 3345466389271. The reversal of 3345466389257 is 7529836645433.

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., 3083620288576 + 261846100681 = 1756024^2 + 511709^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345466389257 - 2¹⁴ = 3345466372873 is a prime.

It is a super-2 number, since 2×3345466389257² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3345466389193 and 3345466389202.

It is not a weakly prime, because it can be changed into another prime (3345466989257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672733194628 + 1672733194629.

It is an arithmetic number, because the mean of its divisors is an integer number (1672733194629).

Almost surely, 2^{3345466389257} is an apocalyptic number.

It is an amenable number.

3345466389257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345466389257 is an equidigital number, since it uses as much as digits as its factorization.

3345466389257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 391910400, while the sum is 65.

The spelling of 3345466389257 in words is "three trillion, three hundred forty-five billion, four hundred sixty-six million, three hundred eighty-nine thousand, two hundred fifty-seven".