245353054421 has 8 divisors (see below), whose sum is σ = 266806819800. Its totient is φ = 224679426048.

The previous prime is 245353054403. The next prime is 245353054447. The reversal of 245353054421 is 124450353542.

It can be written as a sum of positive squares in 4 ways, for example, as 188334300625 + 57018753796 = 433975^2 + 238786^2 .

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 245353054421 - 2¹⁰ = 245353053397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245353014421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195033596 + ... + 195034853.

It is an arithmetic number, because the mean of its divisors is an integer number (33350852475).

Almost surely, 2^245353054421 is an apocalyptic number.

It is an amenable number.

245353054421 is a deficient number, since it is larger than the sum of its proper divisors (21453765379).

245353054421 is a wasteful number, since it uses less digits than its factorization.

245353054421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390068503.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 245353054421 in words is "two hundred forty-five billion, three hundred fifty-three million, fifty-four thousand, four hundred twenty-one".