1949268423 has 8 divisors (see below), whose sum is σ = 2712025728. Its totient is φ = 1243011704.

The previous prime is 1949268401. The next prime is 1949268427. The reversal of 1949268423 is 3248629491.

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 1949268423 - 2⁹ = 1949267911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949268427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14125065 + ... + 14125202.

It is an arithmetic number, because the mean of its divisors is an integer number (339003216).

Almost surely, 2^1949268423 is an apocalyptic number.

1949268423 is a deficient number, since it is larger than the sum of its proper divisors (762757305).

1949268423 is a wasteful number, since it uses less digits than its factorization.

1949268423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28250293.

The product of its digits is 746496, while the sum is 48.

The square root of 1949268423 is about 44150.5200762120. The cubic root of 1949268423 is about 1249.1767214623.

The spelling of 1949268423 in words is "one billion, nine hundred forty-nine million, two hundred sixty-eight thousand, four hundred twenty-three".