28603463146 has 4 divisors (see below), whose sum is σ = 42905194722. Its totient is φ = 14301731572.

The previous prime is 28603463143. The next prime is 28603463153. The reversal of 28603463146 is 64136430682.

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., 24598471921 + 4004991225 = 156839^2 + 63285^2 .

It is not an unprimeable number, because it can be changed into a prime (28603463143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7150865785 + ... + 7150865788.

Almost surely, 2^28603463146 is an apocalyptic number.

28603463146 is a deficient number, since it is larger than the sum of its proper divisors (14301731576).

28603463146 is a wasteful number, since it uses less digits than its factorization.

28603463146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301731575.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 28603463146 in words is "twenty-eight billion, six hundred three million, four hundred sixty-three thousand, one hundred forty-six".