1007861367643 has 4 divisors (see below), whose sum is σ = 1085389165168. Its totient is φ = 930333570120.

The previous prime is 1007861367631. The next prime is 1007861367661. The reversal of 1007861367643 is 3467631687001.

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

It is a cyclic number.

It is not a de Polignac number, because 1007861367643 - 2⁹ = 1007861367131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1007861367943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38763898743 + ... + 38763898768.

It is an arithmetic number, because the mean of its divisors is an integer number (271347291292).

Almost surely, 2^{1007861367643} is an apocalyptic number.

1007861367643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1007861367643 is a deficient number, since it is larger than the sum of its proper divisors (77527797525).

1007861367643 is an equidigital number, since it uses as much as digits as its factorization.

1007861367643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77527797524.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 1007861367643 in words is "one trillion, seven billion, eight hundred sixty-one million, three hundred sixty-seven thousand, six hundred forty-three".