3257880949 has 2 divisors, whose sum is σ = 3257880950. Its totient is φ = 3257880948.

The previous prime is 3257880907. The next prime is 3257880979. The reversal of 3257880949 is 9490887523.

3257880949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2640109924 + 617771025 = 51382^2 + 24855^2 .

It is a cyclic number.

It is not a de Polignac number, because 3257880949 - 2²³ = 3249492341 is a prime.

It is a super-2 number, since 2×3257880949² = 21227576555714281202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3257880949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3257880979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628940474 + 1628940475.

It is an arithmetic number, because the mean of its divisors is an integer number (1628940475).

Almost surely, 2^3257880949 is an apocalyptic number.

It is an amenable number.

3257880949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3257880949 is an equidigital number, since it uses as much as digits as its factorization.

3257880949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 3257880949 is about 57077.8498981873. The cubic root of 3257880949 is about 1482.4443641599. Note that the first 3 decimals are identical.

The spelling of 3257880949 in words is "three billion, two hundred fifty-seven million, eight hundred eighty thousand, nine hundred forty-nine".