980977336249 has 9 divisors (see below), whose sum is σ = 984231772527. Its totient is φ = 977733635424.

The previous prime is 980977336187. The next prime is 980977336291. The reversal of 980977336249 is 942633779089.

The square root of 980977336249 is 990443.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 264530205625 + 716447130624 = 514325^2 + 846432^2 .

It is not a de Polignac number, because 980977336249 - 2²³ = 980968947641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980977336649) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 333777822 + ... + 333780760.

Almost surely, 2^980977336249 is an apocalyptic number.

980977336249 is the 990443-rd square number.

980977336249 is the 495222-nd centered octagonal number.

It is an amenable number.

980977336249 is a deficient number, since it is larger than the sum of its proper divisors (3254436278).

980977336249 is an frugal number, since it uses more digits than its factorization.

980977336249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 980977336249 in words is "nine hundred eighty billion, nine hundred seventy-seven million, three hundred thirty-six thousand, two hundred forty-nine".