1491346953803 has 8 divisors (see below), whose sum is σ = 1794101598720. Its totient is φ = 1211018578920.

The previous prime is 1491346953793. The next prime is 1491346953809. The reversal of 1491346953803 is 3083596431941.

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 1491346953803 - 2¹⁶ = 1491346888267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1491346953809) 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, 5606567363 + ... + 5606567628.

It is an arithmetic number, because the mean of its divisors is an integer number (224262699840).

Almost surely, 2^{1491346953803} is an apocalyptic number.

1491346953803 is a deficient number, since it is larger than the sum of its proper divisors (302754644917).

1491346953803 is a wasteful number, since it uses less digits than its factorization.

1491346953803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213135017.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 1491346953803 in words is "one trillion, four hundred ninety-one billion, three hundred forty-six million, nine hundred fifty-three thousand, eight hundred three".