1969906101 has 16 divisors (see below), whose sum is σ = 2674555200. Its totient is φ = 1289322368.

The previous prime is 1969906087. The next prime is 1969906109. The reversal of 1969906101 is 1016099691.

It is a cyclic number.

It is not a de Polignac number, because 1969906101 - 2⁹ = 1969905589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969906109) 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 15 ways as a sum of consecutive naturals, for example, 136315 + ... + 150071.

It is an arithmetic number, because the mean of its divisors is an integer number (167159700).

Almost surely, 2^1969906101 is an apocalyptic number.

It is an amenable number.

1969906101 is a deficient number, since it is larger than the sum of its proper divisors (704649099).

1969906101 is a wasteful number, since it uses less digits than its factorization.

1969906101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14628.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 1969906101 is about 44383.6242436329. The cubic root of 1969906101 is about 1253.5697639371.

The spelling of 1969906101 in words is "one billion, nine hundred sixty-nine million, nine hundred six thousand, one hundred one".