9980513739 has 56 divisors (see below), whose sum is σ = 17164541952. Its totient is φ = 5682175920.

The previous prime is 9980513729. The next prime is 9980513747. The reversal of 9980513739 is 9373150899.

9980513739 is a `hidden beast` number, since 9 + 98 + 0 + 513 + 7 + 39 = 666.

9980513739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9980513739 - 2⁹ = 9980513227 is a prime.

It is a super-2 number, since 2×9980513739² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9980513729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1440694 + ... + 1447604.

Almost surely, 2^9980513739 is an apocalyptic number.

9980513739 is a deficient number, since it is larger than the sum of its proper divisors (7184028213).

9980513739 is an equidigital number, since it uses as much as digits as its factorization.

9980513739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219 (or 7204 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 9980513739 is about 99902.5211844025. The cubic root of 9980513739 is about 2153.0343841909.

The spelling of 9980513739 in words is "nine billion, nine hundred eighty million, five hundred thirteen thousand, seven hundred thirty-nine".