4214236991 has 4 divisors (see below), whose sum is σ = 4227531432. Its totient is φ = 4200942552.

The previous prime is 4214236979. The next prime is 4214237023. The reversal of 4214236991 is 1996324124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4214236991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4214236921) 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 3 ways as a sum of consecutive naturals, for example, 6646745 + ... + 6647378.

It is an arithmetic number, because the mean of its divisors is an integer number (1056882858).

Almost surely, 2^4214236991 is an apocalyptic number.

4214236991 is a deficient number, since it is larger than the sum of its proper divisors (13294441).

4214236991 is a wasteful number, since it uses less digits than its factorization.

4214236991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294440.

The product of its digits is 93312, while the sum is 41.

The square root of 4214236991 is about 64917.1548282886. The cubic root of 4214236991 is about 1615.2496351676.

The spelling of 4214236991 in words is "four billion, two hundred fourteen million, two hundred thirty-six thousand, nine hundred ninety-one".