438696962141 has 2 divisors, whose sum is σ = 438696962142. Its totient is φ = 438696962140.

The previous prime is 438696962111. The next prime is 438696962147. The reversal of 438696962141 is 141269696834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434352174916 + 4344787225 = 659054^2 + 65915^2 .

It is a cyclic number.

It is not a de Polignac number, because 438696962141 - 2³⁴ = 421517092957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438696962147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219348481070 + 219348481071.

It is an arithmetic number, because the mean of its divisors is an integer number (219348481071).

Almost surely, 2^438696962141 is an apocalyptic number.

It is an amenable number.

438696962141 is a deficient number, since it is larger than the sum of its proper divisors (1).

438696962141 is an equidigital number, since it uses as much as digits as its factorization.

438696962141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 59.

The spelling of 438696962141 in words is "four hundred thirty-eight billion, six hundred ninety-six million, nine hundred sixty-two thousand, one hundred forty-one".