3244991377 has 2 divisors, whose sum is σ = 3244991378. Its totient is φ = 3244991376.

The previous prime is 3244991357. The next prime is 3244991381. The reversal of 3244991377 is 7731994423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207976321 + 37015056 = 56639^2 + 6084^2 .

It is a cyclic number.

It is not a de Polignac number, because 3244991377 - 2¹¹ = 3244989329 is a prime.

It is a super-2 number, since 2×3244991377² = 21059938073608712258, 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 3244991377.

It is not a weakly prime, because it can be changed into another prime (3244991357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622495688 + 1622495689.

It is an arithmetic number, because the mean of its divisors is an integer number (1622495689).

Almost surely, 2^3244991377 is an apocalyptic number.

It is an amenable number.

3244991377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3244991377 is an equidigital number, since it uses as much as digits as its factorization.

3244991377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 3244991377 is about 56964.8257874980. The cubic root of 3244991377 is about 1480.4867185706.

The spelling of 3244991377 in words is "three billion, two hundred forty-four million, nine hundred ninety-one thousand, three hundred seventy-seven".