1097341947539 has 4 divisors (see below), whose sum is σ = 1099192440456. Its totient is φ = 1095491454624.

The previous prime is 1097341947451. The next prime is 1097341947563. The reversal of 1097341947539 is 9357491437901.

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 1097341947539 - 2¹² = 1097341943443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097341944539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925245569 + ... + 925246754.

It is an arithmetic number, because the mean of its divisors is an integer number (274798110114).

Almost surely, 2^{1097341947539} is an apocalyptic number.

1097341947539 is a deficient number, since it is larger than the sum of its proper divisors (1850492917).

1097341947539 is an equidigital number, since it uses as much as digits as its factorization.

1097341947539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850492916.

The product of its (nonzero) digits is 25719120, while the sum is 62.

The spelling of 1097341947539 in words is "one trillion, ninety-seven billion, three hundred forty-one million, nine hundred forty-seven thousand, five hundred thirty-nine".