28144542962 has 4 divisors (see below), whose sum is σ = 42216814446. Its totient is φ = 14072271480.

The previous prime is 28144542953. The next prime is 28144542983. The reversal of 28144542962 is 26924544182.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22689095641 + 5455447321 = 150629^2 + 73861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7036135739 + ... + 7036135742.

Almost surely, 2^28144542962 is an apocalyptic number.

28144542962 is a deficient number, since it is larger than the sum of its proper divisors (14072271484).

28144542962 is a wasteful number, since it uses less digits than its factorization.

28144542962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14072271483.

The product of its digits is 1105920, while the sum is 47.

The spelling of 28144542962 in words is "twenty-eight billion, one hundred forty-four million, five hundred forty-two thousand, nine hundred sixty-two".