4047945188356 has 6 divisors (see below), whose sum is σ = 7083904079630. Its totient is φ = 2023972594176.

The previous prime is 4047945188351. The next prime is 4047945188359. The reversal of 4047945188356 is 6538815497404.

It can be written as a sum of positive squares in only one way, i.e., 3260083024900 + 787862163456 = 1805570^2 + 887616^2 .

It is not an unprimeable number, because it can be changed into a prime (4047945188351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505993148541 + ... + 505993148548.

Almost surely, 2^{4047945188356} is an apocalyptic number.

It is an amenable number.

4047945188356 is a deficient number, since it is larger than the sum of its proper divisors (3035958891274).

4047945188356 is a wasteful number, since it uses less digits than its factorization.

4047945188356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011986297093 (or 1011986297091 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 4047945188356 in words is "four trillion, forty-seven billion, nine hundred forty-five million, one hundred eighty-eight thousand, three hundred fifty-six".