4167864481 has 9 divisors (see below), whose sum is σ = 4581987123. Its totient is φ = 3788322120.

The previous prime is 4167864479. The next prime is 4167864499. The reversal of 4167864481 is 1844687614.

The square root of 4167864481 is 64559.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 400360081 + 3767504400 = 20009^2 + 61380^2 .

It is not a de Polignac number, because 4167864481 - 2¹ = 4167864479 is a prime.

It is a super-2 number, since 2×4167864481² = 34742188663962798722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4167862481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 707215 + ... + 713083.

Almost surely, 2^4167864481 is an apocalyptic number.

4167864481 is the 64559-th square number.

4167864481 is the 32280-th centered octagonal number.

It is an amenable number.

4167864481 is a deficient number, since it is larger than the sum of its proper divisors (414122642).

4167864481 is an frugal number, since it uses more digits than its factorization.

4167864481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760 (or 5880 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The cubic root of 4167864481 is about 1609.3031565056.

Multiplying 4167864481 by its sum of digits (49), we get a square (204225359569 = 451913²).

The spelling of 4167864481 in words is "four billion, one hundred sixty-seven million, eight hundred sixty-four thousand, four hundred eighty-one".