4129771632 has 40 divisors (see below), whose sum is σ = 12192660096. Its totient is φ = 1179934656.

The previous prime is 4129771627. The next prime is 4129771637. The reversal of 4129771632 is 2361779214.

It is an interprime number because it is at equal distance from previous prime (4129771627) and next prime (4129771637).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129771637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6145158 + ... + 6145829.

Almost surely, 2^4129771632 is an apocalyptic number.

4129771632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4129771632 is an abundant number, since it is smaller than the sum of its proper divisors (8062888464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4129771632 is a wasteful number, since it uses less digits than its factorization.

4129771632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291005 (or 12290999 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 4129771632 is about 64263.2992617092. The cubic root of 4129771632 is about 1604.3853175544.

The spelling of 4129771632 in words is "four billion, one hundred twenty-nine million, seven hundred seventy-one thousand, six hundred thirty-two".