14005661397 has 32 divisors (see below), whose sum is σ = 22997022720. Its totient is φ = 7383303360.

The previous prime is 14005661363. The next prime is 14005661401. The reversal of 14005661397 is 79316650041.

It is not a de Polignac number, because 14005661397 - 2⁸ = 14005661141 is a prime.

It is a super-3 number, since 3×14005661397³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005661897) 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 31 ways as a sum of consecutive naturals, for example, 485854 + ... + 513872.

It is an arithmetic number, because the mean of its divisors is an integer number (718656960).

Almost surely, 2^14005661397 is an apocalyptic number.

It is an amenable number.

14005661397 is a deficient number, since it is larger than the sum of its proper divisors (8991361323).

14005661397 is a wasteful number, since it uses less digits than its factorization.

14005661397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29873.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 14005661397 in words is "fourteen billion, five million, six hundred sixty-one thousand, three hundred ninety-seven".