1471642658643 has 6 divisors (see below), whose sum is σ = 1962193013092. Its totient is φ = 981093704980.

The previous prime is 1471642658641. The next prime is 1471642658653. The reversal of 1471642658643 is 3468562461741.

It is not a de Polignac number, because 1471642658643 - 2¹ = 1471642658641 is a prime.

It is a super-2 number, since 2×1471642658643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1471642658641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1750978 + ... + 2451368.

Almost surely, 2^{1471642658643} is an apocalyptic number.

1471642658643 is a deficient number, since it is larger than the sum of its proper divisors (490550354449).

1471642658643 is an frugal number, since it uses more digits than its factorization.

1471642658643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400785 (or 700394 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 1471642658643 in words is "one trillion, four hundred seventy-one billion, six hundred forty-two million, six hundred fifty-eight thousand, six hundred forty-three".