109770691747 has 4 divisors (see below), whose sum is σ = 109891718776. Its totient is φ = 109649664720.

The previous prime is 109770691717. The next prime is 109770691769. The reversal of 109770691747 is 747196077901.

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 109770691747 - 2¹⁹ = 109770167459 is a prime.

It is a super-2 number, since 2×109770691747² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109770691691 and 109770691700.

It is not an unprimeable number, because it can be changed into a prime (109770691717) 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, 60512154 + ... + 60513967.

It is an arithmetic number, because the mean of its divisors is an integer number (27472929694).

Almost surely, 2^109770691747 is an apocalyptic number.

109770691747 is a deficient number, since it is larger than the sum of its proper divisors (121027029).

109770691747 is an equidigital number, since it uses as much as digits as its factorization.

109770691747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121027028.

The product of its (nonzero) digits is 4667544, while the sum is 58.

The spelling of 109770691747 in words is "one hundred nine billion, seven hundred seventy million, six hundred ninety-one thousand, seven hundred forty-seven".