215245414429 has 2 divisors, whose sum is σ = 215245414430. Its totient is φ = 215245414428.

The previous prime is 215245414387. The next prime is 215245414451. The reversal of 215245414429 is 924414542512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211693850404 + 3551564025 = 460102^2 + 59595^2 .

It is a cyclic number.

It is not a de Polignac number, because 215245414429 - 2⁷ = 215245414301 is a prime.

It is a super-3 number, since 3×215245414429³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215245411429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107622707214 + 107622707215.

It is an arithmetic number, because the mean of its divisors is an integer number (107622707215).

Almost surely, 2^215245414429 is an apocalyptic number.

It is an amenable number.

215245414429 is a deficient number, since it is larger than the sum of its proper divisors (1).

215245414429 is an equidigital number, since it uses as much as digits as its factorization.

215245414429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 43.

The spelling of 215245414429 in words is "two hundred fifteen billion, two hundred forty-five million, four hundred fourteen thousand, four hundred twenty-nine".