4786916381 has 24 divisors (see below), whose sum is σ = 5354344296. Its totient is φ = 4275348480.

The previous prime is 4786916369. The next prime is 4786916399. The reversal of 4786916381 is 1836196874.

It can be written as a sum of positive squares in 12 ways, for example, as 3473216356 + 1313700025 = 58934^2 + 36245^2 .

It is not a de Polignac number, because 4786916381 - 2⁶ = 4786916317 is a prime.

It is a super-2 number, since 2×4786916381² = 45829136877372274322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4786906381) 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, 650201 + ... + 657521.

It is an arithmetic number, because the mean of its divisors is an integer number (223097679).

Almost surely, 2^4786916381 is an apocalyptic number.

It is an amenable number.

4786916381 is a deficient number, since it is larger than the sum of its proper divisors (567427915).

4786916381 is a wasteful number, since it uses less digits than its factorization.

4786916381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473 (or 7460 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 4786916381 is about 69187.5449846286. The cubic root of 4786916381 is about 1685.3312759889.

The spelling of 4786916381 in words is "four billion, seven hundred eighty-six million, nine hundred sixteen thousand, three hundred eighty-one".