1947052942947 has 16 divisors (see below), whose sum is σ = 3296597575680. Its totient is φ = 1112601681576.

The previous prime is 1947052942831. The next prime is 1947052942999. The reversal of 1947052942947 is 7492492507491.

1947052942947 is a `hidden beast` number, since 1 + 9 + 47 + 0 + 529 + 4 + 29 + 47 = 666.

It is not a de Polignac number, because 1947052942947 - 2¹² = 1947052938851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1947052941947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5150933523 + ... + 5150933900.

It is an arithmetic number, because the mean of its divisors is an integer number (206037348480).

Almost surely, 2^{1947052942947} is an apocalyptic number.

1947052942947 is a deficient number, since it is larger than the sum of its proper divisors (1349544632733).

1947052942947 is a wasteful number, since it uses less digits than its factorization.

1947052942947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301867439 (or 10301867433 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 1947052942947 in words is "one trillion, nine hundred forty-seven billion, fifty-two million, nine hundred forty-two thousand, nine hundred forty-seven".