980948917449 has 16 divisors (see below), whose sum is σ = 1538743400640. Its totient is φ = 615497359680.

The previous prime is 980948917433. The next prime is 980948917451. The reversal of 980948917449 is 944719849089.

980948917449 is a `hidden beast` number, since 9 + 8 + 0 + 94 + 8 + 91 + 7 + 449 = 666.

It is not a de Polignac number, because 980948917449 - 2⁴ = 980948917433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (980948917469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068571347 + ... + 1068572264.

It is an arithmetic number, because the mean of its divisors is an integer number (96171462540).

Almost surely, 2^980948917449 is an apocalyptic number.

It is an amenable number.

980948917449 is a deficient number, since it is larger than the sum of its proper divisors (557794483191).

980948917449 is a wasteful number, since it uses less digits than its factorization.

980948917449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137143637 (or 2137143631 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 72.

The spelling of 980948917449 in words is "nine hundred eighty billion, nine hundred forty-eight million, nine hundred seventeen thousand, four hundred forty-nine".