3498477509 has 4 divisors (see below), whose sum is σ = 3526024704. Its totient is φ = 3470930316.

The previous prime is 3498477487. The next prime is 3498477529. The reversal of 3498477509 is 9057748943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3498477509 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 (3498477529) 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, 13773407 + ... + 13773660.

It is an arithmetic number, because the mean of its divisors is an integer number (881506176).

Almost surely, 2^3498477509 is an apocalyptic number.

It is an amenable number.

3498477509 is a deficient number, since it is larger than the sum of its proper divisors (27547195).

3498477509 is a wasteful number, since it uses less digits than its factorization.

3498477509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27547194.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The square root of 3498477509 is about 59147.9290339062. The cubic root of 3498477509 is about 1518.0743026093.

The spelling of 3498477509 in words is "three billion, four hundred ninety-eight million, four hundred seventy-seven thousand, five hundred nine".