106421931519 has 8 divisors (see below), whose sum is σ = 141897515952. Its totient is φ = 70947150720.

The previous prime is 106421931457. The next prime is 106421931521. The reversal of 106421931519 is 915139124601.

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

It is not a de Polignac number, because 106421931519 - 2¹⁹ = 106421407231 is a prime.

It is a super-2 number, since 2×106421931519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106421931559) 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, 257527 + ... + 528359.

It is an arithmetic number, because the mean of its divisors is an integer number (17737189494).

Almost surely, 2^106421931519 is an apocalyptic number.

106421931519 is a deficient number, since it is larger than the sum of its proper divisors (35475584433).

106421931519 is a wasteful number, since it uses less digits than its factorization.

106421931519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401817.

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 106421931519 in words is "one hundred six billion, four hundred twenty-one million, nine hundred thirty-one thousand, five hundred nineteen".