980137449 has 16 divisors (see below), whose sum is σ = 1459434240. Its totient is φ = 650104560.

The previous prime is 980137429. The next prime is 980137451. The reversal of 980137449 is 944731089.

It is not a de Polignac number, because 980137449 - 2¹² = 980133353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (980137429) 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, 86817 + ... + 97454.

It is an arithmetic number, because the mean of its divisors is an integer number (91214640).

Almost surely, 2^980137449 is an apocalyptic number.

It is an amenable number.

980137449 is a deficient number, since it is larger than the sum of its proper divisors (479296791).

980137449 is a wasteful number, since it uses less digits than its factorization.

980137449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184477 (or 184471 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 980137449 is about 31307.1469316512. The cubic root of 980137449 is about 993.3348237920.

The spelling of 980137449 in words is "nine hundred eighty million, one hundred thirty-seven thousand, four hundred forty-nine".