56989141646 has 4 divisors (see below), whose sum is σ = 85483712472. Its totient is φ = 28494570822.

The previous prime is 56989141639. The next prime is 56989141717. The reversal of 56989141646 is 64614198965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64614198965 = 5 ⋅12922839793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14247285410 + ... + 14247285413.

It is an arithmetic number, because the mean of its divisors is an integer number (21370928118).

Almost surely, 2^56989141646 is an apocalyptic number.

56989141646 is a deficient number, since it is larger than the sum of its proper divisors (28494570826).

56989141646 is a wasteful number, since it uses less digits than its factorization.

56989141646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28494570825.

The product of its digits is 11197440, while the sum is 59.

The spelling of 56989141646 in words is "fifty-six billion, nine hundred eighty-nine million, one hundred forty-one thousand, six hundred forty-six".