8980280381 has 2 divisors, whose sum is σ = 8980280382. Its totient is φ = 8980280380.

The previous prime is 8980280377. The next prime is 8980280399. The reversal of 8980280381 is 1830820898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8022068356 + 958212025 = 89566^2 + 30955^2 .

It is a cyclic number.

It is not a de Polignac number, because 8980280381 - 2² = 8980280377 is a prime.

It is a super-2 number, since 2×8980280381² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8980280341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4490140190 + 4490140191.

It is an arithmetic number, because the mean of its divisors is an integer number (4490140191).

Almost surely, 2^8980280381 is an apocalyptic number.

It is an amenable number.

8980280381 is a deficient number, since it is larger than the sum of its proper divisors (1).

8980280381 is an equidigital number, since it uses as much as digits as its factorization.

8980280381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 8980280381 is about 94764.3412946030. The cubic root of 8980280381 is about 2078.5635099005.

The spelling of 8980280381 in words is "eight billion, nine hundred eighty million, two hundred eighty thousand, three hundred eighty-one".