158390485219831 has 2 divisors, whose sum is σ = 158390485219832. Its totient is φ = 158390485219830.

The previous prime is 158390485219711. The next prime is 158390485219847. The reversal of 158390485219831 is 138912584093851.

158390485219831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158390485219831 - 2¹³ = 158390485211639 is a prime.

It is a super-2 number, since 2×158390485219831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158390485219861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79195242609915 + 79195242609916.

It is an arithmetic number, because the mean of its divisors is an integer number (79195242609916).

Almost surely, 2^{158390485219831} is an apocalyptic number.

158390485219831 is a deficient number, since it is larger than the sum of its proper divisors (1).

158390485219831 is an equidigital number, since it uses as much as digits as its factorization.

158390485219831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74649600, while the sum is 67.

The spelling of 158390485219831 in words is "one hundred fifty-eight trillion, three hundred ninety billion, four hundred eighty-five million, two hundred nineteen thousand, eight hundred thirty-one".