250646355401361 has 16 divisors (see below), whose sum is σ = 334580272817280. Its totient is φ = 166905086699520.

The previous prime is 250646355401279. The next prime is 250646355401413. The reversal of 250646355401361 is 163104553646052.

It is a happy number.

It is not a de Polignac number, because 250646355401361 - 2⁹ = 250646355400849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (250646355401261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825255 + ... + 22463843.

It is an arithmetic number, because the mean of its divisors is an integer number (20911267051080).

Almost surely, 2^{250646355401361} is an apocalyptic number.

It is an amenable number.

250646355401361 is a deficient number, since it is larger than the sum of its proper divisors (83933917415919).

250646355401361 is a wasteful number, since it uses less digits than its factorization.

250646355401361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20643256.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 250646355401361 in words is "two hundred fifty trillion, six hundred forty-six billion, three hundred fifty-five million, four hundred one thousand, three hundred sixty-one".