14978242461 has 16 divisors (see below), whose sum is σ = 24579680384. Its totient is φ = 7900611264.

The previous prime is 14978242457. The next prime is 14978242463. The reversal of 14978242461 is 16424287941.

It is not a de Polignac number, because 14978242461 - 2² = 14978242457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14978242461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978242463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27432406 + ... + 27432951.

It is an arithmetic number, because the mean of its divisors is an integer number (1536230024).

Almost surely, 2^14978242461 is an apocalyptic number.

It is an amenable number.

14978242461 is a deficient number, since it is larger than the sum of its proper divisors (9601437923).

14978242461 is a wasteful number, since it uses less digits than its factorization.

14978242461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54865380.

The product of its digits is 774144, while the sum is 48.

The spelling of 14978242461 in words is "fourteen billion, nine hundred seventy-eight million, two hundred forty-two thousand, four hundred sixty-one".