1249748494429 has 2 divisors, whose sum is σ = 1249748494430. Its totient is φ = 1249748494428.

The previous prime is 1249748494411. The next prime is 1249748494447. The reversal of 1249748494429 is 9244948479421.

It is a balanced prime because it is at equal distance from previous prime (1249748494411) and next prime (1249748494447).

It can be written as a sum of positive squares in only one way, i.e., 1070986963225 + 178761531204 = 1034885^2 + 422802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1249748494429 - 2⁷ = 1249748494301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1249748464429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624874247214 + 624874247215.

It is an arithmetic number, because the mean of its divisors is an integer number (624874247215).

Almost surely, 2^{1249748494429} is an apocalyptic number.

It is an amenable number.

1249748494429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249748494429 is an equidigital number, since it uses as much as digits as its factorization.

1249748494429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167215104, while the sum is 67.

The spelling of 1249748494429 in words is "one trillion, two hundred forty-nine billion, seven hundred forty-eight million, four hundred ninety-four thousand, four hundred twenty-nine".