4692778481 has 16 divisors (see below), whose sum is σ = 5352127488. Its totient is φ = 4088409600.

The previous prime is 4692778477. The next prime is 4692778483. The reversal of 4692778481 is 1848772964.

It is a cyclic number.

It is not a de Polignac number, because 4692778481 - 2² = 4692778477 is a prime.

It is a super-2 number, since 2×4692778481² = 44044339743473334722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4692778483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181460 + ... + 205701.

It is an arithmetic number, because the mean of its divisors is an integer number (334507968).

Almost surely, 2^4692778481 is an apocalyptic number.

It is an amenable number.

4692778481 is a deficient number, since it is larger than the sum of its proper divisors (659349007).

4692778481 is a wasteful number, since it uses less digits than its factorization.

4692778481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387232.

The product of its digits is 5419008, while the sum is 56.

The square root of 4692778481 is about 68503.8574169367. The cubic root of 4692778481 is about 1674.2103331741.

The spelling of 4692778481 in words is "four billion, six hundred ninety-two million, seven hundred seventy-eight thousand, four hundred eighty-one".