2454129749 has 2 divisors, whose sum is σ = 2454129750. Its totient is φ = 2454129748.

The previous prime is 2454129731. The next prime is 2454129767. The reversal of 2454129749 is 9479214542.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2454129731) and next prime (2454129767).

It can be written as a sum of positive squares in only one way, i.e., 2144616100 + 309513649 = 46310^2 + 17593^2 .

It is a cyclic number.

It is not a de Polignac number, because 2454129749 - 2⁸ = 2454129493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2454129149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227064874 + 1227064875.

It is an arithmetic number, because the mean of its divisors is an integer number (1227064875).

Almost surely, 2^2454129749 is an apocalyptic number.

It is an amenable number.

2454129749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2454129749 is an equidigital number, since it uses as much as digits as its factorization.

2454129749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 2454129749 is about 49539.1738828980. The cubic root of 2454129749 is about 1348.8567823247.

The spelling of 2454129749 in words is "two billion, four hundred fifty-four million, one hundred twenty-nine thousand, seven hundred forty-nine".