1441706643 has 48 divisors (see below), whose sum is σ = 2373280000. Its totient is φ = 836028864.

The previous prime is 1441706627. The next prime is 1441706647. The reversal of 1441706643 is 3466071441.

1441706643 is a `hidden beast` number, since 1 + 4 + 4 + 1 + 7 + 0 + 6 + 643 = 666.

It is not a de Polignac number, because 1441706643 - 2⁴ = 1441706627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1441706598 and 1441706607.

It is not an unprimeable number, because it can be changed into a prime (1441706647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440748 + ... + 444006.

Almost surely, 2^1441706643 is an apocalyptic number.

1441706643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1441706643 is a deficient number, since it is larger than the sum of its proper divisors (931573357).

1441706643 is a wasteful number, since it uses less digits than its factorization.

1441706643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1441706643 is about 37969.8122592146. The cubic root of 1441706643 is about 1129.6891731304.

The spelling of 1441706643 in words is "one billion, four hundred forty-one million, seven hundred six thousand, six hundred forty-three".