20141662479 has 8 divisors (see below), whose sum is σ = 26856207360. Its totient is φ = 13427446296.

The previous prime is 20141662469. The next prime is 20141662531. The reversal of 20141662479 is 97426614102.

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

It is not a de Polignac number, because 20141662479 - 2¹¹ = 20141660431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20141662479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141662469) 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, 183712 + ... + 272090.

It is an arithmetic number, because the mean of its divisors is an integer number (3357025920).

Almost surely, 2^20141662479 is an apocalyptic number.

20141662479 is a deficient number, since it is larger than the sum of its proper divisors (6714544881).

20141662479 is an equidigital number, since it uses as much as digits as its factorization.

20141662479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164349.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 20141662479 in words is "twenty billion, one hundred forty-one million, six hundred sixty-two thousand, four hundred seventy-nine".