245330451403221 has 8 divisors (see below), whose sum is σ = 327296020574880. Its totient is φ = 163459258250192.

The previous prime is 245330451403217. The next prime is 245330451403243. The reversal of 245330451403221 is 122304154033542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245330451403221 - 2² = 245330451403217 is a prime.

It is a super-3 number, since 3×245330451403221³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245330451403221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245330451402221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23593998591 + ... + 23594008988.

It is an arithmetic number, because the mean of its divisors is an integer number (40912002571860).

Almost surely, 2^{245330451403221} is an apocalyptic number.

It is an amenable number.

245330451403221 is a deficient number, since it is larger than the sum of its proper divisors (81965569171659).

245330451403221 is a wasteful number, since it uses less digits than its factorization.

245330451403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47188009315.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 245330451403221 in words is "two hundred forty-five trillion, three hundred thirty billion, four hundred fifty-one million, four hundred three thousand, two hundred twenty-one".