14985729061 has 4 divisors (see below), whose sum is σ = 15334234432. Its totient is φ = 14637223692.

The previous prime is 14985729049. The next prime is 14985729071. The reversal of 14985729061 is 16092758941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16092758941 = 7 ⋅2298965563.

It is a cyclic number.

It is not a de Polignac number, because 14985729061 - 2¹⁵ = 14985696293 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 (14985729071) 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, 174252621 + ... + 174252706.

It is an arithmetic number, because the mean of its divisors is an integer number (3833558608).

Almost surely, 2^14985729061 is an apocalyptic number.

It is an amenable number.

14985729061 is a deficient number, since it is larger than the sum of its proper divisors (348505371).

14985729061 is an equidigital number, since it uses as much as digits as its factorization.

14985729061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348505370.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 14985729061 in words is "fourteen billion, nine hundred eighty-five million, seven hundred twenty-nine thousand, sixty-one".