3421957698 has 64 divisors (see below), whose sum is σ = 7727892480. Its totient is φ = 1122238224.

The previous prime is 3421957681. The next prime is 3421957753. The reversal of 3421957698 is 8967591243.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1177315 + ... + 1180217.

It is an arithmetic number, because the mean of its divisors is an integer number (120748320).

Almost surely, 2^3421957698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421957698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3863946240).

3421957698 is an abundant number, since it is smaller than the sum of its proper divisors (4305934782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3421957698 is a wasteful number, since it uses less digits than its factorization.

3421957698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260 (or 3254 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 3421957698 is about 58497.5016389589. The cubic root of 3421957698 is about 1506.9246793518.

The spelling of 3421957698 in words is "three billion, four hundred twenty-one million, nine hundred fifty-seven thousand, six hundred ninety-eight".