3497643743 has 4 divisors (see below), whose sum is σ = 3815611368. Its totient is φ = 3179676120.

The previous prime is 3497643739. The next prime is 3497643749. The reversal of 3497643743 is 3473467943.

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 3497643743 - 2² = 3497643739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3497643691 and 3497643700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3497643749) 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, 158983796 + ... + 158983817.

It is an arithmetic number, because the mean of its divisors is an integer number (953902842).

Almost surely, 2^3497643743 is an apocalyptic number.

3497643743 is a deficient number, since it is larger than the sum of its proper divisors (317967625).

3497643743 is a wasteful number, since it uses less digits than its factorization.

3497643743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317967624.

The product of its digits is 4572288, while the sum is 50.

The square root of 3497643743 is about 59140.8804719713. The cubic root of 3497643743 is about 1517.9536959264.

The spelling of 3497643743 in words is "three billion, four hundred ninety-seven million, six hundred forty-three thousand, seven hundred forty-three".