1042654986782 has 4 divisors (see below), whose sum is σ = 1563982480176. Its totient is φ = 521327493390.

The previous prime is 1042654986701. The next prime is 1042654986787. The reversal of 1042654986782 is 2876894562401.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1042654986782² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042654986787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260663746694 + ... + 260663746697.

It is an arithmetic number, because the mean of its divisors is an integer number (390995620044).

Almost surely, 2^{1042654986782} is an apocalyptic number.

1042654986782 is a deficient number, since it is larger than the sum of its proper divisors (521327493394).

1042654986782 is an equidigital number, since it uses as much as digits as its factorization.

1042654986782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521327493393.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 1042654986782 in words is "one trillion, forty-two billion, six hundred fifty-four million, nine hundred eighty-six thousand, seven hundred eighty-two".