2429397640247 has 2 divisors, whose sum is σ = 2429397640248. Its totient is φ = 2429397640246.

The previous prime is 2429397640223. The next prime is 2429397640277. The reversal of 2429397640247 is 7420467939242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2429397640247 - 2¹⁶ = 2429397574711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2429397640277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214698820123 + 1214698820124.

It is an arithmetic number, because the mean of its divisors is an integer number (1214698820124).

Almost surely, 2^{2429397640247} is an apocalyptic number.

2429397640247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2429397640247 is an equidigital number, since it uses as much as digits as its factorization.

2429397640247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 2429397640247 in words is "two trillion, four hundred twenty-nine billion, three hundred ninety-seven million, six hundred forty thousand, two hundred forty-seven".