2151345373 has 2 divisors, whose sum is σ = 2151345374. Its totient is φ = 2151345372.

The previous prime is 2151345337. The next prime is 2151345397. The reversal of 2151345373 is 3735431512.

2151345373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2151345337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2081823129 + 69522244 = 45627^2 + 8338^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151345373 - 2¹⁷ = 2151214301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151345073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075672686 + 1075672687.

It is an arithmetic number, because the mean of its divisors is an integer number (1075672687).

Almost surely, 2^2151345373 is an apocalyptic number.

It is an amenable number.

2151345373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151345373 is an equidigital number, since it uses as much as digits as its factorization.

2151345373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 2151345373 is about 46382.5977388072. The cubic root of 2151345373 is about 1290.9320374067.

Adding to 2151345373 its reverse (3735431512), we get a palindrome (5886776885).

The spelling of 2151345373 in words is "two billion, one hundred fifty-one million, three hundred forty-five thousand, three hundred seventy-three".