3662113261 has 2 divisors, whose sum is σ = 3662113262. Its totient is φ = 3662113260.

The previous prime is 3662113237. The next prime is 3662113267. The reversal of 3662113261 is 1623112663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3615737161 + 46376100 = 60131^2 + 6810^2 .

It is a cyclic number.

It is not a de Polignac number, because 3662113261 - 2⁵ = 3662113229 is a prime.

It is a super-2 number, since 2×3662113261² = 26822147072784108242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3662113267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831056630 + 1831056631.

It is an arithmetic number, because the mean of its divisors is an integer number (1831056631).

Almost surely, 2^3662113261 is an apocalyptic number.

It is an amenable number.

3662113261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3662113261 is an equidigital number, since it uses as much as digits as its factorization.

3662113261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 3662113261 is about 60515.3968920307. The cubic root of 3662113261 is about 1541.3830916624.

The spelling of 3662113261 in words is "three billion, six hundred sixty-two million, one hundred thirteen thousand, two hundred sixty-one".