3401729557 has 4 divisors (see below), whose sum is σ = 3404305996. Its totient is φ = 3399153120.

The previous prime is 3401729537. The next prime is 3401729567. The reversal of 3401729557 is 7559271043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2053811761 + 1347917796 = 45319^2 + 36714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3401729557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401729537) 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 in 3 ways as a sum of consecutive naturals, for example, 1286238 + ... + 1288879.

It is an arithmetic number, because the mean of its divisors is an integer number (851076499).

Almost surely, 2^3401729557 is an apocalyptic number.

It is an amenable number.

3401729557 is a deficient number, since it is larger than the sum of its proper divisors (2576439).

3401729557 is a wasteful number, since it uses less digits than its factorization.

3401729557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576438.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 3401729557 is about 58324.3478917682. The cubic root of 3401729557 is about 1503.9495260725.

The spelling of 3401729557 in words is "three billion, four hundred one million, seven hundred twenty-nine thousand, five hundred fifty-seven".