477373409993 has 2 divisors, whose sum is σ = 477373409994. Its totient is φ = 477373409992.

The previous prime is 477373409969. The next prime is 477373410067. The reversal of 477373409993 is 399904373774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475014559369 + 2358850624 = 689213^2 + 48568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477373409993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (477373400993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238686704996 + 238686704997.

It is an arithmetic number, because the mean of its divisors is an integer number (238686704997).

Almost surely, 2^477373409993 is an apocalyptic number.

It is an amenable number.

477373409993 is a deficient number, since it is larger than the sum of its proper divisors (1).

477373409993 is an equidigital number, since it uses as much as digits as its factorization.

477373409993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108020304, while the sum is 65.

The spelling of 477373409993 in words is "four hundred seventy-seven billion, three hundred seventy-three million, four hundred nine thousand, nine hundred ninety-three".