2146551373 has 4 divisors (see below), whose sum is σ = 2152702300. Its totient is φ = 2140400448.

The previous prime is 2146551347. The next prime is 2146551389. The reversal of 2146551373 is 3731556412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 587723049 + 1558828324 = 24243^2 + 39482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146551373 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 (2146551313) 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, 3074940 + ... + 3075637.

It is an arithmetic number, because the mean of its divisors is an integer number (538175575).

Almost surely, 2^2146551373 is an apocalyptic number.

It is an amenable number.

2146551373 is a deficient number, since it is larger than the sum of its proper divisors (6150927).

2146551373 is an equidigital number, since it uses as much as digits as its factorization.

2146551373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150926.

The product of its digits is 75600, while the sum is 37.

The square root of 2146551373 is about 46330.8900518865. The cubic root of 2146551373 is about 1289.9724315563.

The spelling of 2146551373 in words is "two billion, one hundred forty-six million, five hundred fifty-one thousand, three hundred seventy-three".