101717620619 has 2 divisors, whose sum is σ = 101717620620. Its totient is φ = 101717620618.

The previous prime is 101717620607. The next prime is 101717620691. The reversal of 101717620619 is 916026717101.

Together with next prime (101717620691) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101717620619 - 2⁸ = 101717620363 is a prime.

It is a super-2 number, since 2×101717620619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101717620699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50858810309 + 50858810310.

It is an arithmetic number, because the mean of its divisors is an integer number (50858810310).

Almost surely, 2^101717620619 is an apocalyptic number.

101717620619 is a deficient number, since it is larger than the sum of its proper divisors (1).

101717620619 is an equidigital number, since it uses as much as digits as its factorization.

101717620619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 101717620619 in words is "one hundred one billion, seven hundred seventeen million, six hundred twenty thousand, six hundred nineteen".