3291280913 has 2 divisors, whose sum is σ = 3291280914. Its totient is φ = 3291280912.

The previous prime is 3291280879. The next prime is 3291280919. The reversal of 3291280913 is 3190821923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2849104129 + 442176784 = 53377^2 + 21028^2 .

It is a cyclic number.

It is not a de Polignac number, because 3291280913 - 2¹² = 3291276817 is a prime.

It is a super-2 number, since 2×3291280913² = 21665060096556227138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3291280919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645640456 + 1645640457.

It is an arithmetic number, because the mean of its divisors is an integer number (1645640457).

Almost surely, 2^3291280913 is an apocalyptic number.

It is an amenable number.

3291280913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3291280913 is an equidigital number, since it uses as much as digits as its factorization.

3291280913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 3291280913 is about 57369.6863596098. The cubic root of 3291280913 is about 1487.4931817874.

The spelling of 3291280913 in words is "three billion, two hundred ninety-one million, two hundred eighty thousand, nine hundred thirteen".