245971894374 has 48 divisors (see below), whose sum is σ = 553426209840. Its totient is φ = 81979697916.

The previous prime is 245971894309. The next prime is 245971894379. The reversal of 245971894374 is 473498179542.

245971894374 is a `hidden beast` number, since 2 + 4 + 59 + 71 + 89 + 437 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245971894379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32796877 + ... + 32804375.

It is an arithmetic number, because the mean of its divisors is an integer number (11529712705).

Almost surely, 2^245971894374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245971894374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276713104920).

245971894374 is an abundant number, since it is smaller than the sum of its proper divisors (307454315466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245971894374 is an frugal number, since it uses more digits than its factorization.

245971894374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021 (or 7504 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 245971894374 in words is "two hundred forty-five billion, nine hundred seventy-one million, eight hundred ninety-four thousand, three hundred seventy-four".