1906969061 has 8 divisors (see below), whose sum is σ = 1986547200. Its totient is φ = 1828519920.

The previous prime is 1906969019. The next prime is 1906969069. The reversal of 1906969061 is 1609696091.

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

It is a cyclic number.

It is not a de Polignac number, because 1906969061 - 2⁶ = 1906968997 is a prime.

It is a super-2 number, since 2×1906969061² = 7273061999222443442, which contains 22 as substring.

1906969061 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1906968997 and 1906969015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906969069) 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, 278801 + ... + 285558.

It is an arithmetic number, because the mean of its divisors is an integer number (248318400).

Almost surely, 2^1906969061 is an apocalyptic number.

It is an amenable number.

1906969061 is a deficient number, since it is larger than the sum of its proper divisors (79578139).

1906969061 is a wasteful number, since it uses less digits than its factorization.

1906969061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564499.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 1906969061 is about 43668.8568776422. The cubic root of 1906969061 is about 1240.0748005952.

The spelling of 1906969061 in words is "one billion, nine hundred six million, nine hundred sixty-nine thousand, sixty-one".