46641031621 has 4 divisors (see below), whose sum is σ = 46683549612. Its totient is φ = 46598513632.

The previous prime is 46641031609. The next prime is 46641031631. The reversal of 46641031621 is 12613014664.

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 22175379396 + 24465652225 = 148914^2 + 156415^2 .

It is a cyclic number.

It is not a de Polignac number, because 46641031621 - 2¹⁵ = 46640998853 is a prime.

It is a super-2 number, since 2×46641031621² (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 (46641031601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21257350 + ... + 21259543.

It is an arithmetic number, because the mean of its divisors is an integer number (11670887403).

Almost surely, 2^46641031621 is an apocalyptic number.

It is an amenable number.

46641031621 is a deficient number, since it is larger than the sum of its proper divisors (42517991).

46641031621 is a wasteful number, since it uses less digits than its factorization.

46641031621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42517990.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 46641031621 in words is "forty-six billion, six hundred forty-one million, thirty-one thousand, six hundred twenty-one".