1471901663 has 4 divisors (see below), whose sum is σ = 1475301408. Its totient is φ = 1468501920.

The previous prime is 1471901597. The next prime is 1471901689. The reversal of 1471901663 is 3661091741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3661091741 = 19 ⋅192689039.

It is a cyclic number.

It is not a de Polignac number, because 1471901663 - 2¹⁶ = 1471836127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1471907663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699223 + ... + 1700088.

It is an arithmetic number, because the mean of its divisors is an integer number (368825352).

Almost surely, 2^1471901663 is an apocalyptic number.

1471901663 is a deficient number, since it is larger than the sum of its proper divisors (3399745).

1471901663 is an equidigital number, since it uses as much as digits as its factorization.

1471901663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399744.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1471901663 is about 38365.3706224767. The cubic root of 1471901663 is about 1137.5214600951.

The spelling of 1471901663 in words is "one billion, four hundred seventy-one million, nine hundred one thousand, six hundred sixty-three".