259999970601 has 96 divisors (see below), whose sum is σ = 429280296960. Its totient is φ = 139578235776.

The previous prime is 259999970599. The next prime is 259999970603. The reversal of 259999970601 is 106079999952.

It is an interprime number because it is at equal distance from previous prime (259999970599) and next prime (259999970603).

It is not a de Polignac number, because 259999970601 - 2¹ = 259999970599 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (259999970603) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 121664805 + ... + 121666941.

It is an arithmetic number, because the mean of its divisors is an integer number (4471669760).

Almost surely, 2^259999970601 is an apocalyptic number.

259999970601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

259999970601 is a deficient number, since it is larger than the sum of its proper divisors (169280326359).

259999970601 is an equidigital number, since it uses as much as digits as its factorization.

259999970601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 24800580, while the sum is 66.

The spelling of 259999970601 in words is "two hundred fifty-nine billion, nine hundred ninety-nine million, nine hundred seventy thousand, six hundred one".