4981797956 has 12 divisors (see below), whose sum is σ = 8953772268. Its totient is φ = 2423577312.

The previous prime is 4981797949. The next prime is 4981797983. The reversal of 4981797956 is 6597971894.

It can be written as a sum of positive squares in 2 ways, for example, as 4312023556 + 669774400 = 65666^2 + 25880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4981797892 and 4981797901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16830251 + ... + 16830546.

It is an arithmetic number, because the mean of its divisors is an integer number (746147689).

Almost surely, 2^4981797956 is an apocalyptic number.

It is an amenable number.

4981797956 is a deficient number, since it is larger than the sum of its proper divisors (3971974312).

4981797956 is a wasteful number, since it uses less digits than its factorization.

4981797956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33660838 (or 33660836 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 65.

The square root of 4981797956 is about 70581.8528801844. The cubic root of 4981797956 is about 1707.8984197898.

The spelling of 4981797956 in words is "four billion, nine hundred eighty-one million, seven hundred ninety-seven thousand, nine hundred fifty-six".