38358557223431 has 2 divisors, whose sum is σ = 38358557223432. Its totient is φ = 38358557223430.

The previous prime is 38358557223383. The next prime is 38358557223451. The reversal of 38358557223431 is 13432275585383.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38358557223431 - 2³⁰ = 38357483481607 is a prime.

It is a super-2 number, since 2×38358557223431² (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 (38358557223451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19179278611715 + 19179278611716.

It is an arithmetic number, because the mean of its divisors is an integer number (19179278611716).

Almost surely, 2^{38358557223431} is an apocalyptic number.

38358557223431 is a deficient number, since it is larger than the sum of its proper divisors (1).

38358557223431 is an equidigital number, since it uses as much as digits as its factorization.

38358557223431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576000, while the sum is 59.

The spelling of 38358557223431 in words is "thirty-eight trillion, three hundred fifty-eight billion, five hundred fifty-seven million, two hundred twenty-three thousand, four hundred thirty-one".