283378731479 has 2 divisors, whose sum is σ = 283378731480. Its totient is φ = 283378731478.

The previous prime is 283378731443. The next prime is 283378731487. The reversal of 283378731479 is 974137873382.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 283378731479 - 2¹² = 283378727383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (283378731079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141689365739 + 141689365740.

It is an arithmetic number, because the mean of its divisors is an integer number (141689365740).

Almost surely, 2^283378731479 is an apocalyptic number.

283378731479 is a deficient number, since it is larger than the sum of its proper divisors (1).

283378731479 is an equidigital number, since it uses as much as digits as its factorization.

283378731479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 62.

The spelling of 283378731479 in words is "two hundred eighty-three billion, three hundred seventy-eight million, seven hundred thirty-one thousand, four hundred seventy-nine".