3478921690841 has 4 divisors (see below), whose sum is σ = 3481267559952. Its totient is φ = 3476575821732.

The previous prime is 3478921690823. The next prime is 3478921690889. The reversal of 3478921690841 is 1480961298743.

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 3478921690841 - 2²⁶ = 3478854581977 is a prime.

It is a super-2 number, since 2×3478921690841² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3478921690801) 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, 1172932331 + ... + 1172935296.

It is an arithmetic number, because the mean of its divisors is an integer number (870316889988).

Almost surely, 2^{3478921690841} is an apocalyptic number.

It is an amenable number.

3478921690841 is a deficient number, since it is larger than the sum of its proper divisors (2345869111).

3478921690841 is a wasteful number, since it uses less digits than its factorization.

3478921690841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345869110.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 3478921690841 in words is "three trillion, four hundred seventy-eight billion, nine hundred twenty-one million, six hundred ninety thousand, eight hundred forty-one".