3504121397 has 4 divisors (see below), whose sum is σ = 4004710176. Its totient is φ = 3003532620.

The previous prime is 3504121381. The next prime is 3504121459. The reversal of 3504121397 is 7931214053.

3504121397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3504121397 - 2⁴ = 3504121381 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 (3504121367) 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, 250294379 + ... + 250294392.

It is an arithmetic number, because the mean of its divisors is an integer number (1001177544).

Almost surely, 2^3504121397 is an apocalyptic number.

It is an amenable number.

3504121397 is a deficient number, since it is larger than the sum of its proper divisors (500588779).

3504121397 is an equidigital number, since it uses as much as digits as its factorization.

3504121397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500588778.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3504121397 is about 59195.6197450453. The cubic root of 3504121397 is about 1518.8902040132.

The spelling of 3504121397 in words is "three billion, five hundred four million, one hundred twenty-one thousand, three hundred ninety-seven".