3608264981 has 2 divisors, whose sum is σ = 3608264982. Its totient is φ = 3608264980.

The previous prime is 3608264969. The next prime is 3608264987. The reversal of 3608264981 is 1894628063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2583688900 + 1024576081 = 50830^2 + 32009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3608264981 is a prime.

It is a super-2 number, since 2×3608264981² = 26039152346221860722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3608264987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804132490 + 1804132491.

It is an arithmetic number, because the mean of its divisors is an integer number (1804132491).

Almost surely, 2^3608264981 is an apocalyptic number.

It is an amenable number.

3608264981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3608264981 is an equidigital number, since it uses as much as digits as its factorization.

3608264981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 3608264981 is about 60068.8353557816. The cubic root of 3608264981 is about 1533.7908448187.

The spelling of 3608264981 in words is "three billion, six hundred eight million, two hundred sixty-four thousand, nine hundred eighty-one".