2106724553 has 2 divisors, whose sum is σ = 2106724554. Its totient is φ = 2106724552.

The previous prime is 2106724547. The next prime is 2106724597. The reversal of 2106724553 is 3554276012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2095075984 + 11648569 = 45772^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106724553 - 2⁶ = 2106724489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2106729553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053362276 + 1053362277.

It is an arithmetic number, because the mean of its divisors is an integer number (1053362277).

Almost surely, 2^2106724553 is an apocalyptic number.

It is an amenable number.

2106724553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106724553 is an equidigital number, since it uses as much as digits as its factorization.

2106724553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2106724553 is about 45899.0691953551. The cubic root of 2106724553 is about 1281.9445851698.

The spelling of 2106724553 in words is "two billion, one hundred six million, seven hundred twenty-four thousand, five hundred fifty-three".