106419242642 has 4 divisors (see below), whose sum is σ = 159628863966. Its totient is φ = 53209621320.

The previous prime is 106419242591. The next prime is 106419242771. The reversal of 106419242642 is 246242914601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63358427521 + 43060815121 = 251711^2 + 207511^2 .

It is a super-2 number, since 2×106419242642² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106419242642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26604810659 + ... + 26604810662.

Almost surely, 2^106419242642 is an apocalyptic number.

106419242642 is a deficient number, since it is larger than the sum of its proper divisors (53209621324).

106419242642 is an equidigital number, since it uses as much as digits as its factorization.

106419242642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53209621323.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 106419242642 in words is "one hundred six billion, four hundred nineteen million, two hundred forty-two thousand, six hundred forty-two".