4277432643 has 24 divisors (see below), whose sum is σ = 6348249600. Its totient is φ = 2559551280.

The previous prime is 4277432641. The next prime is 4277432657. The reversal of 4277432643 is 3462347724.

It is a happy number.

It is not a de Polignac number, because 4277432643 - 2¹ = 4277432641 is a prime.

It is a super-3 number, since 3×4277432643³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4277432595 and 4277432604.

It is not an unprimeable number, because it can be changed into a prime (4277432641) 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 23 ways as a sum of consecutive naturals, for example, 45903 + ... + 103256.

It is an arithmetic number, because the mean of its divisors is an integer number (264510400).

Almost surely, 2^4277432643 is an apocalyptic number.

4277432643 is a deficient number, since it is larger than the sum of its proper divisors (2070816957).

4277432643 is a wasteful number, since it uses less digits than its factorization.

4277432643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149263 (or 149252 counting only the distinct ones).

The product of its digits is 677376, while the sum is 42.

The square root of 4277432643 is about 65402.0843933892. The cubic root of 4277432643 is about 1623.2835705781.

The spelling of 4277432643 in words is "four billion, two hundred seventy-seven million, four hundred thirty-two thousand, six hundred forty-three".