2215200039989 has 2 divisors, whose sum is σ = 2215200039990. Its totient is φ = 2215200039988.

The previous prime is 2215200039979. The next prime is 2215200040139. The reversal of 2215200039989 is 9899300025122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2120104899364 + 95095140625 = 1456058^2 + 308375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215200039989 - 2¹⁶ = 2215199974453 is a prime.

It is a super-2 number, since 2×2215200039989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215200039929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107600019994 + 1107600019995.

It is an arithmetic number, because the mean of its divisors is an integer number (1107600019995).

Almost surely, 2^{2215200039989} is an apocalyptic number.

It is an amenable number.

2215200039989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215200039989 is an equidigital number, since it uses as much as digits as its factorization.

2215200039989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 2215200039989 in words is "two trillion, two hundred fifteen billion, two hundred million, thirty-nine thousand, nine hundred eighty-nine".