46637743544549 has 2 divisors, whose sum is σ = 46637743544550. Its totient is φ = 46637743544548.

The previous prime is 46637743544489. The next prime is 46637743544647. The reversal of 46637743544549 is 94544534773664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42711361664449 + 3926381880100 = 6535393^2 + 1981510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46637743544549 is a prime.

It is a super-2 number, since 2×46637743544549² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46637743544849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23318871772274 + 23318871772275.

It is an arithmetic number, because the mean of its divisors is an integer number (23318871772275).

Almost surely, 2^{46637743544549} is an apocalyptic number.

It is an amenable number.

46637743544549 is a deficient number, since it is larger than the sum of its proper divisors (1).

46637743544549 is an equidigital number, since it uses as much as digits as its factorization.

46637743544549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3657830400, while the sum is 71.

The spelling of 46637743544549 in words is "forty-six trillion, six hundred thirty-seven billion, seven hundred forty-three million, five hundred forty-four thousand, five hundred forty-nine".