245323550643 has 8 divisors (see below), whose sum is σ = 327100634256. Its totient is φ = 163547750400.

The previous prime is 245323550639. The next prime is 245323550651. The reversal of 245323550643 is 346055323542.

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

It is not a de Polignac number, because 245323550643 - 2² = 245323550639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245323550595 and 245323550604.

It is not an unprimeable number, because it can be changed into a prime (245323550603) 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, 292923 + ... + 759243.

It is an arithmetic number, because the mean of its divisors is an integer number (40887579282).

Almost surely, 2^245323550643 is an apocalyptic number.

245323550643 is a deficient number, since it is larger than the sum of its proper divisors (81777083613).

245323550643 is a wasteful number, since it uses less digits than its factorization.

245323550643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641685.

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 245323550643 in words is "two hundred forty-five billion, three hundred twenty-three million, five hundred fifty thousand, six hundred forty-three".