291199359379 has 2 divisors, whose sum is σ = 291199359380. Its totient is φ = 291199359378.

The previous prime is 291199359337. The next prime is 291199359401. The reversal of 291199359379 is 973953991192.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 291199359379 - 2¹⁵ = 291199326611 is a prime.

It is not a weakly prime, because it can be changed into another prime (291199359179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145599679689 + 145599679690.

It is an arithmetic number, because the mean of its divisors is an integer number (145599679690).

Almost surely, 2^291199359379 is an apocalyptic number.

291199359379 is a deficient number, since it is larger than the sum of its proper divisors (1).

291199359379 is an equidigital number, since it uses as much as digits as its factorization.

291199359379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37200870, while the sum is 67.

The spelling of 291199359379 in words is "two hundred ninety-one billion, one hundred ninety-nine million, three hundred fifty-nine thousand, three hundred seventy-nine".