245371610643 has 16 divisors (see below), whose sum is σ = 350878970880. Its totient is φ = 152047550304.

The previous prime is 245371610639. The next prime is 245371610647. The reversal of 245371610643 is 346016173542.

It is an interprime number because it is at equal distance from previous prime (245371610639) and next prime (245371610647).

It is not a de Polignac number, because 245371610643 - 2² = 245371610639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245371610595 and 245371610604.

It is not an unprimeable number, because it can be changed into a prime (245371610647) 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, 40607971 + ... + 40614012.

It is an arithmetic number, because the mean of its divisors is an integer number (21929935680).

Almost surely, 2^245371610643 is an apocalyptic number.

245371610643 is a deficient number, since it is larger than the sum of its proper divisors (105507360237).

245371610643 is a wasteful number, since it uses less digits than its factorization.

245371610643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81222058.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 245371610643 in words is "two hundred forty-five billion, three hundred seventy-one million, six hundred ten thousand, six hundred forty-three".