211429757919 has 4 divisors (see below), whose sum is σ = 281906343896. Its totient is φ = 140953171944.

The previous prime is 211429757899. The next prime is 211429757947. The reversal of 211429757919 is 919757924112.

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

It is not a de Polignac number, because 211429757919 - 2¹⁵ = 211429725151 is a prime.

It is a super-2 number, since 2×211429757919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211429757969) 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, 35238292984 + ... + 35238292989.

It is an arithmetic number, because the mean of its divisors is an integer number (70476585974).

Almost surely, 2^211429757919 is an apocalyptic number.

211429757919 is a deficient number, since it is larger than the sum of its proper divisors (70476585977).

211429757919 is an equidigital number, since it uses as much as digits as its factorization.

211429757919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70476585976.

The product of its digits is 2857680, while the sum is 57.

The spelling of 211429757919 in words is "two hundred eleven billion, four hundred twenty-nine million, seven hundred fifty-seven thousand, nine hundred nineteen".