1000643736741 has 16 divisors (see below), whose sum is σ = 1460449327680. Its totient is φ = 604380945920.

The previous prime is 1000643736689. The next prime is 1000643736749. The reversal of 1000643736741 is 1476373460001.

It is a cyclic number.

It is not a de Polignac number, because 1000643736741 - 2⁹ = 1000643736229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000643736693 and 1000643736702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000643736749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51735276 + ... + 51754613.

It is an arithmetic number, because the mean of its divisors is an integer number (91278082980).

Almost surely, 2^{1000643736741} is an apocalyptic number.

1000643736741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000643736741 is a deficient number, since it is larger than the sum of its proper divisors (459805590939).

1000643736741 is a wasteful number, since it uses less digits than its factorization.

1000643736741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103490196.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 1000643736741 in words is "one trillion, six hundred forty-three million, seven hundred thirty-six thousand, seven hundred forty-one".