210106769442 has 16 divisors (see below), whose sum is σ = 421556077920. Its totient is φ = 69811833312.

The previous prime is 210106769407. The next prime is 210106769443. The reversal of 210106769442 is 244967601012.

It is a junction number, because it is equal to n+sod(n) for n = 210106769394 and 210106769403.

It is not an unprimeable number, because it can be changed into a prime (210106769443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55937092 + ... + 55940847.

It is an arithmetic number, because the mean of its divisors is an integer number (26347254870).

Almost surely, 2^210106769442 is an apocalyptic number.

210106769442 is an abundant number, since it is smaller than the sum of its proper divisors (211449308478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210106769442 is a wasteful number, since it uses less digits than its factorization.

210106769442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111878257.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 210106769442 in words is "two hundred ten billion, one hundred six million, seven hundred sixty-nine thousand, four hundred forty-two".