999651358077484 has 48 divisors (see below), whose sum is σ = 2086259062035456. Its totient is φ = 409789046145600.

The previous prime is 999651358077457. The next prime is 999651358077509. The reversal of 999651358077484 is 484770853156999.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33535174 + ... + 55891954.

It is an arithmetic number, because the mean of its divisors is an integer number (43463730459072).

Almost surely, 2^{999651358077484} is an apocalyptic number.

It is an amenable number.

999651358077484 is an abundant number, since it is smaller than the sum of its proper divisors (1086607703957972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999651358077484 is a wasteful number, since it uses less digits than its factorization.

999651358077484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22426246 (or 22426244 counting only the distinct ones).

The product of its (nonzero) digits is 16460236800, while the sum is 85.

The spelling of 999651358077484 in words is "nine hundred ninety-nine trillion, six hundred fifty-one billion, three hundred fifty-eight million, seventy-seven thousand, four hundred eighty-four".