4639903723680 has 96 divisors (see below), whose sum is σ = 14955596720064. Its totient is φ = 1208533057536.

The previous prime is 4639903723667. The next prime is 4639903723709. The reversal of 4639903723680 is 863273099364.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 112380129 + ... + 112421408.

It is an arithmetic number, because the mean of its divisors is an integer number (155787465834).

Almost surely, 2^{4639903723680} is an apocalyptic number.

4639903723680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4639903723680 is an abundant number, since it is smaller than the sum of its proper divisors (10315692996384).

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

4639903723680 is a wasteful number, since it uses less digits than its factorization.

4639903723680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224801598 (or 224801590 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 60.

The spelling of 4639903723680 in words is "four trillion, six hundred thirty-nine billion, nine hundred three million, seven hundred twenty-three thousand, six hundred eighty".