1491191424001 has 8 divisors (see below), whose sum is σ = 1493137368000. Its totient is φ = 1489246078128.

The previous prime is 1491191423987. The next prime is 1491191424071. The reversal of 1491191424001 is 1004241911941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1491191424001 - 2⁷ = 1491191423873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1491191424071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953150 + ... + 5245576.

It is an arithmetic number, because the mean of its divisors is an integer number (186642171000).

Almost surely, 2^{1491191424001} is an apocalyptic number.

It is an amenable number.

1491191424001 is a deficient number, since it is larger than the sum of its proper divisors (1945943999).

1491191424001 is an equidigital number, since it uses as much as digits as its factorization.

1491191424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299063.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 1491191424001 in words is "one trillion, four hundred ninety-one billion, one hundred ninety-one million, four hundred twenty-four thousand, one".