2158006373 has 2 divisors, whose sum is σ = 2158006374. Its totient is φ = 2158006372.

The previous prime is 2158006351. The next prime is 2158006381. The reversal of 2158006373 is 3736008512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140172644 + 17833729 = 46262^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 2158006373 - 2⁶ = 2158006309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2158006343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079003186 + 1079003187.

It is an arithmetic number, because the mean of its divisors is an integer number (1079003187).

Almost surely, 2^2158006373 is an apocalyptic number.

It is an amenable number.

2158006373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158006373 is an equidigital number, since it uses as much as digits as its factorization.

2158006373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2158006373 is about 46454.3471916246. The cubic root of 2158006373 is about 1292.2629935301.

The spelling of 2158006373 in words is "two billion, one hundred fifty-eight million, six thousand, three hundred seventy-three".