3457843509 has 16 divisors (see below), whose sum is σ = 4819435520. Its totient is φ = 2202623280.

The previous prime is 3457843481. The next prime is 3457843531. The reversal of 3457843509 is 9053487543.

It is not a de Polignac number, because 3457843509 - 2¹³ = 3457835317 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 (3457843559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227977 + ... + 242670.

It is an arithmetic number, because the mean of its divisors is an integer number (301214720).

Almost surely, 2^3457843509 is an apocalyptic number.

It is an amenable number.

3457843509 is a deficient number, since it is larger than the sum of its proper divisors (1361592011).

3457843509 is a wasteful number, since it uses less digits than its factorization.

3457843509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470760.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 3457843509 is about 58803.4310988738. The cubic root of 3457843509 is about 1512.1740403053.

It can be divided in two parts, 34578 and 43509, that added together give a palindrome (78087).

The spelling of 3457843509 in words is "three billion, four hundred fifty-seven million, eight hundred forty-three thousand, five hundred nine".