28214384654 has 4 divisors (see below), whose sum is σ = 42321576984. Its totient is φ = 14107192326.

The previous prime is 28214384651. The next prime is 28214384699. The reversal of 28214384654 is 45648341282.

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

It is a junction number, because it is equal to n+sod(n) for n = 28214384599 and 28214384608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214384651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7053596162 + ... + 7053596165.

It is an arithmetic number, because the mean of its divisors is an integer number (10580394246).

Almost surely, 2^28214384654 is an apocalyptic number.

28214384654 is a deficient number, since it is larger than the sum of its proper divisors (14107192330).

28214384654 is a wasteful number, since it uses less digits than its factorization.

28214384654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107192329.

The product of its digits is 1474560, while the sum is 47.

The spelling of 28214384654 in words is "twenty-eight billion, two hundred fourteen million, three hundred eighty-four thousand, six hundred fifty-four".