14619457997 has 8 divisors (see below), whose sum is σ = 14827620600. Its totient is φ = 14412271104.

The previous prime is 14619457967. The next prime is 14619457999. The reversal of 14619457997 is 79975491641.

It can be written as a sum of positive squares in 4 ways, for example, as 3097367716 + 11522090281 = 55654^2 + 107341^2 .

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 14619457997 - 2⁶ = 14619457933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14619457999) 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, 213722 + ... + 273707.

It is an arithmetic number, because the mean of its divisors is an integer number (1853452575).

Almost surely, 2^14619457997 is an apocalyptic number.

It is an amenable number.

14619457997 is a deficient number, since it is larger than the sum of its proper divisors (208162603).

14619457997 is an equidigital number, since it uses as much as digits as its factorization.

14619457997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487855.

The product of its digits is 17146080, while the sum is 62.

The spelling of 14619457997 in words is "fourteen billion, six hundred nineteen million, four hundred fifty-seven thousand, nine hundred ninety-seven".