1020366649763 has 16 divisors (see below), whose sum is σ = 1076500316160. Its totient is φ = 965262314016.

The previous prime is 1020366649651. The next prime is 1020366649801. The reversal of 1020366649763 is 3679466630201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1020366649763 - 2¹⁰ = 1020366648739 is a prime.

It is a super-2 number, since 2×1020366649763² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020366649363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374978 + ... + 1476936.

It is an arithmetic number, because the mean of its divisors is an integer number (67281269760).

Almost surely, 2^{1020366649763} is an apocalyptic number.

1020366649763 is a deficient number, since it is larger than the sum of its proper divisors (56133666397).

1020366649763 is a wasteful number, since it uses less digits than its factorization.

1020366649763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102426.

The product of its (nonzero) digits is 5878656, while the sum is 53.

The spelling of 1020366649763 in words is "one trillion, twenty billion, three hundred sixty-six million, six hundred forty-nine thousand, seven hundred sixty-three".