999753620612 has 6 divisors (see below), whose sum is σ = 1749568836078. Its totient is φ = 499876810304.

The previous prime is 999753620611. The next prime is 999753620617. The reversal of 999753620612 is 216026357999.

999753620612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 538720768576 + 461032852036 = 733976^2 + 678994^2 .

It is not an unprimeable number, because it can be changed into a prime (999753620611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124969202573 + ... + 124969202580.

It is an arithmetic number, because the mean of its divisors is an integer number (291594806013).

Almost surely, 2^999753620612 is an apocalyptic number.

It is an amenable number.

999753620612 is a deficient number, since it is larger than the sum of its proper divisors (749815215466).

999753620612 is a wasteful number, since it uses less digits than its factorization.

999753620612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249938405157 (or 249938405155 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 999753620612 in words is "nine hundred ninety-nine billion, seven hundred fifty-three million, six hundred twenty thousand, six hundred twelve".