268369901519 has 4 divisors (see below), whose sum is σ = 271766988960. Its totient is φ = 264972814080.

The previous prime is 268369901509. The next prime is 268369901551. The reversal of 268369901519 is 915109963862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268369901519 - 2¹² = 268369897423 is a prime.

It is a super-2 number, since 2×268369901519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268369901509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698543602 + ... + 1698543759.

It is an arithmetic number, because the mean of its divisors is an integer number (67941747240).

Almost surely, 2^268369901519 is an apocalyptic number.

268369901519 is a deficient number, since it is larger than the sum of its proper divisors (3397087441).

268369901519 is an equidigital number, since it uses as much as digits as its factorization.

268369901519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397087440.

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 268369901519 in words is "two hundred sixty-eight billion, three hundred sixty-nine million, nine hundred one thousand, five hundred nineteen".