2159722298537 has 2 divisors, whose sum is σ = 2159722298538. Its totient is φ = 2159722298536.

The previous prime is 2159722298519. The next prime is 2159722298579. The reversal of 2159722298537 is 7358922279512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1543150279696 + 616572018841 = 1242236^2 + 785221^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159722298537 - 2⁶ = 2159722298473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2159722298537.

It is not a weakly prime, because it can be changed into another prime (2159722298507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079861149268 + 1079861149269.

It is an arithmetic number, because the mean of its divisors is an integer number (1079861149269).

Almost surely, 2^{2159722298537} is an apocalyptic number.

It is an amenable number.

2159722298537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159722298537 is an equidigital number, since it uses as much as digits as its factorization.

2159722298537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 62.

The spelling of 2159722298537 in words is "two trillion, one hundred fifty-nine billion, seven hundred twenty-two million, two hundred ninety-eight thousand, five hundred thirty-seven".