1499630777472 has 64 divisors (see below), whose sum is σ = 3983526408960. Its totient is φ = 499860341760.

The previous prime is 1499630777471. The next prime is 1499630777549. The reversal of 1499630777472 is 2747770369941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1499630777471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18280098 + ... + 18361950.

It is an arithmetic number, because the mean of its divisors is an integer number (62242600140).

Almost surely, 2^{1499630777472} is an apocalyptic number.

1499630777472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1499630777472 is an abundant number, since it is smaller than the sum of its proper divisors (2483895631488).

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

1499630777472 is an equidigital number, since it uses as much as digits as its factorization.

1499630777472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129581 (or 129569 counting only the distinct ones).

The product of its (nonzero) digits is 112021056, while the sum is 66.

The spelling of 1499630777472 in words is "one trillion, four hundred ninety-nine billion, six hundred thirty million, seven hundred seventy-seven thousand, four hundred seventy-two".