84249962429 has 2 divisors, whose sum is σ = 84249962430. Its totient is φ = 84249962428.

The previous prime is 84249962369. The next prime is 84249962441. The reversal of 84249962429 is 92426994248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67702999204 + 16546963225 = 260198^2 + 128635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84249962429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84249962029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42124981214 + 42124981215.

It is an arithmetic number, because the mean of its divisors is an integer number (42124981215).

Almost surely, 2^84249962429 is an apocalyptic number.

It is an amenable number.

84249962429 is a deficient number, since it is larger than the sum of its proper divisors (1).

84249962429 is an equidigital number, since it uses as much as digits as its factorization.

84249962429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 59.

The spelling of 84249962429 in words is "eighty-four billion, two hundred forty-nine million, nine hundred sixty-two thousand, four hundred twenty-nine".