438036367686607 has 2 divisors, whose sum is σ = 438036367686608. Its totient is φ = 438036367686606.

The previous prime is 438036367686553. The next prime is 438036367686613. The reversal of 438036367686607 is 706686763630834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 438036367686607 - 2³⁹ = 437486611872719 is a prime.

It is a super-2 number, since 2×438036367686607² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 438036367686607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438036367686637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219018183843303 + 219018183843304.

It is an arithmetic number, because the mean of its divisors is an integer number (219018183843304).

Almost surely, 2^{438036367686607} is an apocalyptic number.

438036367686607 is a deficient number, since it is larger than the sum of its proper divisors (1).

438036367686607 is an equidigital number, since it uses as much as digits as its factorization.

438036367686607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2633637888, while the sum is 73.

The spelling of 438036367686607 in words is "four hundred thirty-eight trillion, thirty-six billion, three hundred sixty-seven million, six hundred eighty-six thousand, six hundred seven".