101644401419 has 18 divisors (see below), whose sum is σ = 112152900132. Its totient is φ = 91359100800.

The previous prime is 101644401407. The next prime is 101644401421. The reversal of 101644401419 is 914104446101.

It is not a de Polignac number, because 101644401419 - 2⁸ = 101644401163 is a prime.

It is a super-2 number, since 2×101644401419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101644401449) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 102567014 + ... + 102568004.

It is an arithmetic number, because the mean of its divisors is an integer number (6230716674).

Almost surely, 2^101644401419 is an apocalyptic number.

101644401419 is a deficient number, since it is larger than the sum of its proper divisors (10508498713).

101644401419 is an frugal number, since it uses more digits than its factorization.

101644401419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 101644401419 in words is "one hundred one billion, six hundred forty-four million, four hundred one thousand, four hundred nineteen".