1001718960649 has 8 divisors (see below), whose sum is σ = 1092826841760. Its totient is φ = 910618166400.

The previous prime is 1001718960643. The next prime is 1001718960661. The reversal of 1001718960649 is 9460698171001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001718960649 - 2³¹ = 999571477001 is a prime.

It is a super-2 number, since 2×1001718960649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001718960596 and 1001718960605.

It is not an unprimeable number, because it can be changed into a prime (1001718960643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473987 + ... + 2043544.

It is an arithmetic number, because the mean of its divisors is an integer number (136603355220).

Almost surely, 2^{1001718960649} is an apocalyptic number.

It is an amenable number.

1001718960649 is a deficient number, since it is larger than the sum of its proper divisors (91107881111).

1001718960649 is a wasteful number, since it uses less digits than its factorization.

1001718960649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543431.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 1001718960649 in words is "one trillion, one billion, seven hundred eighteen million, nine hundred sixty thousand, six hundred forty-nine".