1791197046501 has 16 divisors (see below), whose sum is σ = 2413188107904. Its totient is φ = 1181671778304.

The previous prime is 1791197046451. The next prime is 1791197046503. The reversal of 1791197046501 is 1056407911971.

It is not a de Polignac number, because 1791197046501 - 2⁶ = 1791197046437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791197046503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1949056 + ... + 2716838.

It is an arithmetic number, because the mean of its divisors is an integer number (150824256744).

Almost surely, 2^{1791197046501} is an apocalyptic number.

It is an amenable number.

1791197046501 is a deficient number, since it is larger than the sum of its proper divisors (621991061403).

1791197046501 is an equidigital number, since it uses as much as digits as its factorization.

1791197046501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775900.

The product of its (nonzero) digits is 476280, while the sum is 51.

The spelling of 1791197046501 in words is "one trillion, seven hundred ninety-one billion, one hundred ninety-seven million, forty-six thousand, five hundred one".