28619650544 has 10 divisors (see below), whose sum is σ = 55450572960. Its totient is φ = 14309825264.

The previous prime is 28619650517. The next prime is 28619650547. The reversal of 28619650544 is 44505691682.

It is a junction number, because it is equal to n+sod(n) for n = 28619650492 and 28619650501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28619650547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 894364064 + ... + 894364095.

It is an arithmetic number, because the mean of its divisors is an integer number (5545057296).

Almost surely, 2^28619650544 is an apocalyptic number.

It is an amenable number.

28619650544 is a deficient number, since it is larger than the sum of its proper divisors (26830922416).

28619650544 is a wasteful number, since it uses less digits than its factorization.

28619650544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788728167 (or 1788728161 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 28619650544 in words is "twenty-eight billion, six hundred nineteen million, six hundred fifty thousand, five hundred forty-four".