28932340429 has 2 divisors, whose sum is σ = 28932340430. Its totient is φ = 28932340428.

The previous prime is 28932340363. The next prime is 28932340441. The reversal of 28932340429 is 92404323982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28460364804 + 471975625 = 168702^2 + 21725^2 .

It is a cyclic number.

It is not a de Polignac number, because 28932340429 - 2¹⁹ = 28931816141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28932340469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14466170214 + 14466170215.

It is an arithmetic number, because the mean of its divisors is an integer number (14466170215).

Almost surely, 2^28932340429 is an apocalyptic number.

It is an amenable number.

28932340429 is a deficient number, since it is larger than the sum of its proper divisors (1).

28932340429 is an equidigital number, since it uses as much as digits as its factorization.

28932340429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 28932340429 in words is "twenty-eight billion, nine hundred thirty-two million, three hundred forty thousand, four hundred twenty-nine".