398245373253 has 48 divisors (see below), whose sum is σ = 739112324160. Its totient is φ = 210063484512.

The previous prime is 398245373231. The next prime is 398245373263. The reversal of 398245373253 is 352373542893.

398245373253 is a `hidden beast` number, since 3 + 9 + 8 + 24 + 537 + 32 + 53 = 666.

It is not a de Polignac number, because 398245373253 - 2¹⁴ = 398245356869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398245373253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398245373263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11560375 + ... + 11594772.

It is an arithmetic number, because the mean of its divisors is an integer number (15398173420).

Almost surely, 2^398245373253 is an apocalyptic number.

It is an amenable number.

398245373253 is a deficient number, since it is larger than the sum of its proper divisors (340866950907).

398245373253 is a wasteful number, since it uses less digits than its factorization.

398245373253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23155183 (or 23155170 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 398245373253 in words is "three hundred ninety-eight billion, two hundred forty-five million, three hundred seventy-three thousand, two hundred fifty-three".