2158214247773 has 8 divisors (see below), whose sum is σ = 2288148391200. Its totient is φ = 2029914496368.

The previous prime is 2158214247719. The next prime is 2158214247793. The reversal of 2158214247773 is 3777424128512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2158214247773 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 (2158214247793) 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, 408595286 + ... + 408600567.

It is an arithmetic number, because the mean of its divisors is an integer number (286018548900).

Almost surely, 2^{2158214247773} is an apocalyptic number.

It is an amenable number.

2158214247773 is a deficient number, since it is larger than the sum of its proper divisors (129934143427).

2158214247773 is a wasteful number, since it uses less digits than its factorization.

2158214247773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817196011.

The product of its digits is 5268480, while the sum is 53.

The spelling of 2158214247773 in words is "two trillion, one hundred fifty-eight billion, two hundred fourteen million, two hundred forty-seven thousand, seven hundred seventy-three".