46819871641 has 3 divisors (see below), whose sum is σ = 46820088021. Its totient is φ = 46819655262.

The previous prime is 46819871617. The next prime is 46819871653. The reversal of 46819871641 is 14617891864.

It is a happy number.

The square root of 46819871641 is 216379.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 46819871641 - 2⁹ = 46819871129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46819871341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 108190 + ... + 324568.

It is an arithmetic number, because the mean of its divisors is an integer number (15606696007).

Almost surely, 2^46819871641 is an apocalyptic number.

46819871641 is the 216379-th square number.

46819871641 is the 108190-th centered octagonal number.

It is an amenable number.

46819871641 is a deficient number, since it is larger than the sum of its proper divisors (216380).

46819871641 is an frugal number, since it uses more digits than its factorization.

46819871641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432758 (or 216379 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The spelling of 46819871641 in words is "forty-six billion, eight hundred nineteen million, eight hundred seventy-one thousand, six hundred forty-one".