1001002201679 has 2 divisors, whose sum is σ = 1001002201680. Its totient is φ = 1001002201678.

The previous prime is 1001002201643. The next prime is 1001002201681. The reversal of 1001002201679 is 9761022001001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001002201679 is a prime.

It is a super-3 number, since 3×1001002201679³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 1001002201681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001002201579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500501100839 + 500501100840.

It is an arithmetic number, because the mean of its divisors is an integer number (500501100840).

Almost surely, 2^{1001002201679} is an apocalyptic number.

1001002201679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001002201679 is an equidigital number, since it uses as much as digits as its factorization.

1001002201679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 1001002201679 in words is "one trillion, one billion, two million, two hundred one thousand, six hundred seventy-nine".