438473130073501 has 2 divisors, whose sum is σ = 438473130073502. Its totient is φ = 438473130073500.

The previous prime is 438473130073457. The next prime is 438473130073541. The reversal of 438473130073501 is 105370031374834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344150768792601 + 94322361280900 = 18551301^2 + 9711970^2 .

It is a cyclic number.

It is not a de Polignac number, because 438473130073501 - 2²⁷ = 438472995855773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438473130073541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219236565036750 + 219236565036751.

It is an arithmetic number, because the mean of its divisors is an integer number (219236565036751).

Almost surely, 2^{438473130073501} is an apocalyptic number.

It is an amenable number.

438473130073501 is a deficient number, since it is larger than the sum of its proper divisors (1).

438473130073501 is an equidigital number, since it uses as much as digits as its factorization.

438473130073501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 438473130073501 in words is "four hundred thirty-eight trillion, four hundred seventy-three billion, one hundred thirty million, seventy-three thousand, five hundred one".