46637641 has 2 divisors, whose sum is σ = 46637642. Its totient is φ = 46637640.

The previous prime is 46637639. The next prime is 46637651. The reversal of 46637641 is 14673664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43178041 + 3459600 = 6571^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 46637641 - 2¹ = 46637639 is a prime.

Together with 46637639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 46637641.

It is not a weakly prime, because it can be changed into another prime (46637651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23318820 + 23318821.

It is an arithmetic number, because the mean of its divisors is an integer number (23318821).

Almost surely, 2^46637641 is an apocalyptic number.

It is an amenable number.

46637641 is a deficient number, since it is larger than the sum of its proper divisors (1).

46637641 is an equidigital number, since it uses as much as digits as its factorization.

46637641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 46637641 is about 6829.1757189283. The cubic root of 46637641 is about 359.9527741548.

It can be divided in two parts, 46637 and 641, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 46637641 in words is "forty-six million, six hundred thirty-seven thousand, six hundred forty-one".