986628519735949 has 8 divisors (see below), whose sum is σ = 988160370693048. Its totient is φ = 985097405429760.

The previous prime is 986628519735899. The next prime is 986628519735967. The reversal of 986628519735949 is 949537915826689.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 494717373671049 + 491911146064900 = 22242243^2 + 22179070^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 986628519735949 - 2⁴⁵ = 951444147647117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986628519735049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181481932 + ... + 186839365.

It is an arithmetic number, because the mean of its divisors is an integer number (123520046336631).

Almost surely, 2^{986628519735949} is an apocalyptic number.

It is an amenable number.

986628519735949 is a deficient number, since it is larger than the sum of its proper divisors (1531850957099).

986628519735949 is a wasteful number, since it uses less digits than its factorization.

986628519735949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368325455.

The product of its digits is 63489484800, while the sum is 91.

The spelling of 986628519735949 in words is "nine hundred eighty-six trillion, six hundred twenty-eight billion, five hundred nineteen million, seven hundred thirty-five thousand, nine hundred forty-nine".