1720944485 has 32 divisors (see below), whose sum is σ = 2250218880. Its totient is φ = 1255968000.

The previous prime is 1720944473. The next prime is 1720944539. The reversal of 1720944485 is 5844490271.

It is not a de Polignac number, because 1720944485 - 2⁴ = 1720944469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2454635 + ... + 2455335.

It is an arithmetic number, because the mean of its divisors is an integer number (70319340).

Almost surely, 2^1720944485 is an apocalyptic number.

It is an amenable number.

1720944485 is a deficient number, since it is larger than the sum of its proper divisors (529274395).

1720944485 is a wasteful number, since it uses less digits than its factorization.

1720944485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 1720944485 is about 41484.2679217074. The cubic root of 1720944485 is about 1198.3645510367.

The spelling of 1720944485 in words is "one billion, seven hundred twenty million, nine hundred forty-four thousand, four hundred eighty-five".