46641819517 has 4 divisors (see below), whose sum is σ = 46643813116. Its totient is φ = 46639825920.

The previous prime is 46641819491. The next prime is 46641819551. The reversal of 46641819517 is 71591814664.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16361991396 + 30279828121 = 127914^2 + 174011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46641819517 is a prime.

It is a super-2 number, since 2×46641819517² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46641817517) 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, 961284 + ... + 1008637.

It is an arithmetic number, because the mean of its divisors is an integer number (11660953279).

Almost surely, 2^46641819517 is an apocalyptic number.

It is an amenable number.

46641819517 is a deficient number, since it is larger than the sum of its proper divisors (1993599).

46641819517 is a wasteful number, since it uses less digits than its factorization.

46641819517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993598.

The product of its digits is 1451520, while the sum is 52.

The spelling of 46641819517 in words is "forty-six billion, six hundred forty-one million, eight hundred nineteen thousand, five hundred seventeen".