3428903509727 has 4 divisors (see below), whose sum is σ = 3429067428336. Its totient is φ = 3428739591120.

The previous prime is 3428903509709. The next prime is 3428903509729. The reversal of 3428903509727 is 7279053098243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3428903509727 - 2¹² = 3428903505631 is a prime.

It is a super-2 number, since 2×3428903509727² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428903509729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81927923 + ... + 81969764.

It is an arithmetic number, because the mean of its divisors is an integer number (857266857084).

Almost surely, 2^{3428903509727} is an apocalyptic number.

3428903509727 is a deficient number, since it is larger than the sum of its proper divisors (163918609).

3428903509727 is a wasteful number, since it uses less digits than its factorization.

3428903509727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163918608.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 3428903509727 in words is "three trillion, four hundred twenty-eight billion, nine hundred three million, five hundred nine thousand, seven hundred twenty-seven".