1042586971947 has 12 divisors (see below), whose sum is σ = 1506138627240. Its totient is φ = 694975057728.

The previous prime is 1042586971939. The next prime is 1042586971961. The reversal of 1042586971947 is 7491796852401.

1042586971947 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 586 + 9 + 7 + 1 + 9 + 47 = 666.

It is not a de Polignac number, because 1042586971947 - 2³ = 1042586971939 is a prime.

It is a super-2 number, since 2×1042586971947² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042586970947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6830622 + ... + 6981587.

It is an arithmetic number, because the mean of its divisors is an integer number (125511552270).

Almost surely, 2^{1042586971947} is an apocalyptic number.

1042586971947 is a deficient number, since it is larger than the sum of its proper divisors (463551655293).

1042586971947 is a wasteful number, since it uses less digits than its factorization.

1042586971947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820602 (or 13820599 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 1042586971947 in words is "one trillion, forty-two billion, five hundred eighty-six million, nine hundred seventy-one thousand, nine hundred forty-seven".