3489651397 has 4 divisors (see below), whose sum is σ = 3673317280. Its totient is φ = 3305985516.

The previous prime is 3489651391. The next prime is 3489651427. The reversal of 3489651397 is 7931569843.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7931569843 = 41 ⋅193452923.

It is a cyclic number.

It is not a de Polignac number, because 3489651397 - 2²³ = 3481262789 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 (3489651391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91832913 + ... + 91832950.

It is an arithmetic number, because the mean of its divisors is an integer number (918329320).

Almost surely, 2^3489651397 is an apocalyptic number.

It is an amenable number.

3489651397 is a deficient number, since it is larger than the sum of its proper divisors (183665883).

3489651397 is a wasteful number, since it uses less digits than its factorization.

3489651397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183665882.

The product of its digits is 4898880, while the sum is 55.

The square root of 3489651397 is about 59073.2714262550. The cubic root of 3489651397 is about 1516.7966061249.

The spelling of 3489651397 in words is "three billion, four hundred eighty-nine million, six hundred fifty-one thousand, three hundred ninety-seven".