3476807494021 has 6 divisors (see below), whose sum is σ = 3563675975666. Its totient is φ = 3392007309600.

The previous prime is 3476807494009. The next prime is 3476807494063. The reversal of 3476807494021 is 1204947086743.

It can be written as a sum of positive squares in 3 ways, for example, as 119172705796 + 3357634788225 = 345214^2 + 1832385^2 .

It is not a de Polignac number, because 3476807494021 - 2¹⁷ = 3476807362949 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 (3476807497021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1034146890 + ... + 1034150251.

Almost surely, 2^{3476807494021} is an apocalyptic number.

It is an amenable number.

3476807494021 is a deficient number, since it is larger than the sum of its proper divisors (86868481645).

3476807494021 is an equidigital number, since it uses as much as digits as its factorization.

3476807494021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068297223 (or 2068297182 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 3476807494021 in words is "three trillion, four hundred seventy-six billion, eight hundred seven million, four hundred ninety-four thousand, twenty-one".