28147151692946 has 32 divisors (see below), whose sum is σ = 49603757531328. Its totient is φ = 11809568975040.

The previous prime is 28147151692931. The next prime is 28147151692951. The reversal of 28147151692946 is 64929615174182.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6259976 + ... + 9771468.

It is an arithmetic number, because the mean of its divisors is an integer number (1550117422854).

Almost surely, 2^{28147151692946} is an apocalyptic number.

28147151692946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28147151692946 is a deficient number, since it is larger than the sum of its proper divisors (21456605838382).

28147151692946 is a wasteful number, since it uses less digits than its factorization.

28147151692946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539546.

The product of its digits is 52254720, while the sum is 65.

The spelling of 28147151692946 in words is "twenty-eight trillion, one hundred forty-seven billion, one hundred fifty-one million, six hundred ninety-two thousand, nine hundred forty-six".