3429039749 has 2 divisors, whose sum is σ = 3429039750. Its totient is φ = 3429039748.

The previous prime is 3429039743. The next prime is 3429039799. The reversal of 3429039749 is 9479309243.

It is an a-pointer prime, because the next prime (3429039799) can be obtained adding 3429039749 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2395417249 + 1033622500 = 48943^2 + 32150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3429039749 - 2¹² = 3429035653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3429039697 and 3429039706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3429039743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714519874 + 1714519875.

It is an arithmetic number, because the mean of its divisors is an integer number (1714519875).

Almost surely, 2^3429039749 is an apocalyptic number.

It is an amenable number.

3429039749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3429039749 is an equidigital number, since it uses as much as digits as its factorization.

3429039749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 3429039749 is about 58558.0032873390. The cubic root of 3429039749 is about 1507.9635353248.

The spelling of 3429039749 in words is "three billion, four hundred twenty-nine million, thirty-nine thousand, seven hundred forty-nine".