3396862561 has 2 divisors, whose sum is σ = 3396862562. Its totient is φ = 3396862560.

The previous prime is 3396862559. The next prime is 3396862577. The reversal of 3396862561 is 1652686933.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2242969600 + 1153892961 = 47360^2 + 33969^2 .

It is an emirp because it is prime and its reverse (1652686933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3396862561 - 2¹ = 3396862559 is a prime.

Together with 3396862559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3396862961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1698431280 + 1698431281.

It is an arithmetic number, because the mean of its divisors is an integer number (1698431281).

Almost surely, 2^3396862561 is an apocalyptic number.

It is an amenable number.

3396862561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3396862561 is an equidigital number, since it uses as much as digits as its factorization.

3396862561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 49.

The square root of 3396862561 is about 58282.6094216791. The cubic root of 3396862561 is about 1503.2319293464.

The spelling of 3396862561 in words is "three billion, three hundred ninety-six million, eight hundred sixty-two thousand, five hundred sixty-one".