3158859397 has 2 divisors, whose sum is σ = 3158859398. Its totient is φ = 3158859396.

The previous prime is 3158859323. The next prime is 3158859439. The reversal of 3158859397 is 7939588513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2050368961 + 1108490436 = 45281^2 + 33294^2 .

It is an emirp because it is prime and its reverse (7939588513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3158859397 - 2¹¹ = 3158857349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3158859317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579429698 + 1579429699.

It is an arithmetic number, because the mean of its divisors is an integer number (1579429699).

Almost surely, 2^3158859397 is an apocalyptic number.

It is an amenable number.

3158859397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3158859397 is an equidigital number, since it uses as much as digits as its factorization.

3158859397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 58.

The square root of 3158859397 is about 56203.7311661779. The cubic root of 3158859397 is about 1467.2702045410.

The spelling of 3158859397 in words is "three billion, one hundred fifty-eight million, eight hundred fifty-nine thousand, three hundred ninety-seven".