1409091868 has 12 divisors (see below), whose sum is σ = 2532557272. Its totient is φ = 685504080.

The previous prime is 1409091863. The next prime is 1409091899. The reversal of 1409091868 is 8681909041.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409091863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760298 + ... + 4760593.

Almost surely, 2^1409091868 is an apocalyptic number.

It is an amenable number.

1409091868 is a deficient number, since it is larger than the sum of its proper divisors (1123465404).

1409091868 is a wasteful number, since it uses less digits than its factorization.

1409091868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520932 (or 9520930 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 1409091868 is about 37537.8724490347. The cubic root of 1409091868 is about 1121.1053787183.

The spelling of 1409091868 in words is "one billion, four hundred nine million, ninety-one thousand, eight hundred sixty-eight".