28933285956442 has 16 divisors (see below), whose sum is σ = 49710386318400. Its totient is φ = 12372362811648.

The previous prime is 28933285956427. The next prime is 28933285956461. The reversal of 28933285956442 is 24465958233982.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2301400488 + ... + 2301413059.

It is an arithmetic number, because the mean of its divisors is an integer number (3106899144900).

Almost surely, 2^{28933285956442} is an apocalyptic number.

28933285956442 is a deficient number, since it is larger than the sum of its proper divisors (20777100361958).

28933285956442 is a wasteful number, since it uses less digits than its factorization.

28933285956442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602814005.

The product of its digits is 895795200, while the sum is 70.

The spelling of 28933285956442 in words is "twenty-eight trillion, nine hundred thirty-three billion, two hundred eighty-five million, nine hundred fifty-six thousand, four hundred forty-two".