918870380765474 has 48 divisors (see below), whose sum is σ = 1460784374794584. Its totient is φ = 433377584640000.

The previous prime is 918870380765461. The next prime is 918870380765489. The reversal of 918870380765474 is 474567083078819.

It can be written as a sum of positive squares in 4 ways, for example, as 703817394616249 + 215052986149225 = 26529557^2 + 14664685^2 .

It is a super-2 number, since 2×918870380765474² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 918870380765395 and 918870380765404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539865554 + ... + 541564914.

Almost surely, 2^{918870380765474} is an apocalyptic number.

918870380765474 is a deficient number, since it is larger than the sum of its proper divisors (541913994029110).

918870380765474 is a wasteful number, since it uses less digits than its factorization.

918870380765474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706483 (or 1706460 counting only the distinct ones).

The product of its (nonzero) digits is 2275983360, while the sum is 77.

The spelling of 918870380765474 in words is "nine hundred eighteen trillion, eight hundred seventy billion, three hundred eighty million, seven hundred sixty-five thousand, four hundred seventy-four".