260337915491 has 4 divisors (see below), whose sum is σ = 260352811992. Its totient is φ = 260323018992.

The previous prime is 260337915457. The next prime is 260337915499. The reversal of 260337915491 is 194519733062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194519733062 = 2 ⋅97259866531.

It is a cyclic number.

It is not a de Polignac number, because 260337915491 - 2¹⁰ = 260337914467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260337915499) 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, 7422005 + ... + 7456998.

It is an arithmetic number, because the mean of its divisors is an integer number (65088202998).

Almost surely, 2^260337915491 is an apocalyptic number.

260337915491 is a deficient number, since it is larger than the sum of its proper divisors (14896501).

260337915491 is a wasteful number, since it uses less digits than its factorization.

260337915491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14896500.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 260337915491 in words is "two hundred sixty billion, three hundred thirty-seven million, nine hundred fifteen thousand, four hundred ninety-one".