1949068069 has 8 divisors (see below), whose sum is σ = 2100278880. Its totient is φ = 1798040496.

The previous prime is 1949068061. The next prime is 1949068087. The reversal of 1949068069 is 9608609491.

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 1949068069 - 2³ = 1949068061 is a prime.

It is a super-2 number, since 2×1949068069² = 7597732675190777522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949068061) 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, 23299 + ... + 66640.

It is an arithmetic number, because the mean of its divisors is an integer number (262534860).

Almost surely, 2^1949068069 is an apocalyptic number.

It is an amenable number.

1949068069 is a deficient number, since it is larger than the sum of its proper divisors (151210811).

1949068069 is a wasteful number, since it uses less digits than its factorization.

1949068069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91619.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1949068069 is about 44148.2510299106. The cubic root of 1949068069 is about 1249.1339214516.

The spelling of 1949068069 in words is "one billion, nine hundred forty-nine million, sixty-eight thousand, sixty-nine".