848435956981956 has 54 divisors (see below), whose sum is σ = 2494805730654510. Its totient is φ = 242410273422912.

The previous prime is 848435956981897. The next prime is 848435956981957. The reversal of 848435956981956 is 659189659534848.

848435956981956 is a `hidden beast` number, since 8 + 4 + 8 + 4 + 3 + 595 + 6 + 9 + 8 + 1 + 9 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 786486464341956 + 61949492640000 = 28044366^2 + 7870800^2 .

It is not an unprimeable number, because it can be changed into a prime (848435956981957) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 240486380601 + ... + 240486384128.

Almost surely, 2^{848435956981956} is an apocalyptic number.

It is an amenable number.

848435956981956 is an abundant number, since it is smaller than the sum of its proper divisors (1646369773672554).

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

848435956981956 is a wasteful number, since it uses less digits than its factorization.

848435956981956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480972764753 (or 480972764741 counting only the distinct ones).

The product of its digits is 80621568000, while the sum is 90.

The spelling of 848435956981956 in words is "eight hundred forty-eight trillion, four hundred thirty-five billion, nine hundred fifty-six million, nine hundred eighty-one thousand, nine hundred fifty-six".