4238432951971 has 4 divisors (see below), whose sum is σ = 4301693145352. Its totient is φ = 4175172758592.

The previous prime is 4238432951939. The next prime is 4238432951981. The reversal of 4238432951971 is 1791592348324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4238432951971 - 2⁵ = 4238432951939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4238432951981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31630096590 + ... + 31630096723.

It is an arithmetic number, because the mean of its divisors is an integer number (1075423286338).

Almost surely, 2^{4238432951971} is an apocalyptic number.

4238432951971 is a deficient number, since it is larger than the sum of its proper divisors (63260193381).

4238432951971 is an equidigital number, since it uses as much as digits as its factorization.

4238432951971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63260193380.

The product of its digits is 13063680, while the sum is 58.

The spelling of 4238432951971 in words is "four trillion, two hundred thirty-eight billion, four hundred thirty-two million, nine hundred fifty-one thousand, nine hundred seventy-one".