46631611637 has 8 divisors (see below), whose sum is σ = 51166181304. Its totient is φ = 42232402368.

The previous prime is 46631611627. The next prime is 46631611681. The reversal of 46631611637 is 73611613664.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 942121636 + 45689490001 = 30694^2 + 213751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 46631611637 - 2¹⁸ = 46631349493 is a prime.

It is a super-3 number, since 3×46631611637³ (a number of 33 digits) contains 333 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 (46631611627) 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, 33839378 + ... + 33840755.

It is an arithmetic number, because the mean of its divisors is an integer number (6395772663).

Almost surely, 2^46631611637 is an apocalyptic number.

It is an amenable number.

46631611637 is a deficient number, since it is larger than the sum of its proper divisors (4534569667).

46631611637 is a wasteful number, since it uses less digits than its factorization.

46631611637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67680199.

The product of its digits is 326592, while the sum is 44.

The spelling of 46631611637 in words is "forty-six billion, six hundred thirty-one million, six hundred eleven thousand, six hundred thirty-seven".