1409999965 has 8 divisors (see below), whose sum is σ = 1845818208. Its totient is φ = 1025454480.

The previous prime is 1409999957. The next prime is 1409999989. The reversal of 1409999965 is 5699999041.

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

It is not a de Polignac number, because 1409999965 - 2³ = 1409999957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12818127 + ... + 12818236.

It is an arithmetic number, because the mean of its divisors is an integer number (230727276).

Almost surely, 2^1409999965 is an apocalyptic number.

It is an amenable number.

1409999965 is a deficient number, since it is larger than the sum of its proper divisors (435818243).

1409999965 is a wasteful number, since it uses less digits than its factorization.

1409999965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25636379.

The product of its (nonzero) digits is 7085880, while the sum is 61.

The square root of 1409999965 is about 37549.9662449915. The cubic root of 1409999965 is about 1121.3461611758.

The spelling of 1409999965 in words is "one billion, four hundred nine million, nine hundred ninety-nine thousand, nine hundred sixty-five".