2146540801 has 2 divisors, whose sum is σ = 2146540802. Its totient is φ = 2146540800.

The previous prime is 2146540793. The next prime is 2146540811. The reversal of 2146540801 is 1080456412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111494401 + 35046400 = 45951^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146540801 - 2³ = 2146540793 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146540811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073270400 + 1073270401.

It is an arithmetic number, because the mean of its divisors is an integer number (1073270401).

Almost surely, 2^2146540801 is an apocalyptic number.

It is an amenable number.

2146540801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146540801 is an equidigital number, since it uses as much as digits as its factorization.

2146540801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2146540801 is about 46330.7759593987. The cubic root of 2146540801 is about 1289.9703138012.

The spelling of 2146540801 in words is "two billion, one hundred forty-six million, five hundred forty thousand, eight hundred one".