3445720511 has 2 divisors, whose sum is σ = 3445720512. Its totient is φ = 3445720510.

The previous prime is 3445720477. The next prime is 3445720573. The reversal of 3445720511 is 1150275443.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3445720511 is a prime.

It is a super-2 number, since 2×3445720511² = 23745979679852202242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3445620511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722860255 + 1722860256.

It is an arithmetic number, because the mean of its divisors is an integer number (1722860256).

Almost surely, 2^3445720511 is an apocalyptic number.

3445720511 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445720511 is an equidigital number, since it uses as much as digits as its factorization.

3445720511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 3445720511 is about 58700.2598886921. The cubic root of 3445720511 is about 1510.4047729973.

Adding to 3445720511 its reverse (1150275443), we get a palindrome (4595995954).

The spelling of 3445720511 in words is "three billion, four hundred forty-five million, seven hundred twenty thousand, five hundred eleven".