1491712619017 has 16 divisors (see below), whose sum is σ = 1544529018240. Its totient is φ = 1438988769792.

The previous prime is 1491712619003. The next prime is 1491712619087. The reversal of 1491712619017 is 7109162171941.

It is a cyclic number.

It is not a de Polignac number, because 1491712619017 - 2³⁵ = 1457352880649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1491712619087) 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, 265284868 + ... + 265290490.

It is an arithmetic number, because the mean of its divisors is an integer number (96533063640).

Almost surely, 2^{1491712619017} is an apocalyptic number.

It is an amenable number.

1491712619017 is a deficient number, since it is larger than the sum of its proper divisors (52816399223).

1491712619017 is a wasteful number, since it uses less digits than its factorization.

1491712619017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192.

The product of its (nonzero) digits is 190512, while the sum is 49.

The spelling of 1491712619017 in words is "one trillion, four hundred ninety-one billion, seven hundred twelve million, six hundred nineteen thousand, seventeen".