999949000552 has 8 divisors (see below), whose sum is σ = 1874904376050. Its totient is φ = 499974500272.

The previous prime is 999949000541. The next prime is 999949000553. The reversal of 999949000552 is 255000949999.

It can be written as a sum of positive squares in only one way, i.e., 641514494916 + 358434505636 = 800946^2 + 598694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (999949000553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62496812527 + ... + 62496812542.

Almost surely, 2^999949000552 is an apocalyptic number.

It is an amenable number.

999949000552 is a deficient number, since it is larger than the sum of its proper divisors (874955375498).

999949000552 is a wasteful number, since it uses less digits than its factorization.

999949000552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124993625075 (or 124993625071 counting only the distinct ones).

The product of its (nonzero) digits is 11809800, while the sum is 61.

The spelling of 999949000552 in words is "nine hundred ninety-nine billion, nine hundred forty-nine million, five hundred fifty-two", and thus it is an aban number.