3261380747 has 2 divisors, whose sum is σ = 3261380748. Its totient is φ = 3261380746.

The previous prime is 3261380741. The next prime is 3261380783. The reversal of 3261380747 is 7470831623.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261380747 is a prime.

It is not a weakly prime, because it can be changed into another prime (3261380741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630690373 + 1630690374.

It is an arithmetic number, because the mean of its divisors is an integer number (1630690374).

Almost surely, 2^3261380747 is an apocalyptic number.

3261380747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261380747 is an equidigital number, since it uses as much as digits as its factorization.

3261380747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 3261380747 is about 57108.4997789296. The cubic root of 3261380747 is about 1482.9750157472.

The spelling of 3261380747 in words is "three billion, two hundred sixty-one million, three hundred eighty thousand, seven hundred forty-seven".