3507874021 has 2 divisors, whose sum is σ = 3507874022. Its totient is φ = 3507874020.

The previous prime is 3507874001. The next prime is 3507874033. The reversal of 3507874021 is 1204787053.

3507874021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3154057921 + 353816100 = 56161^2 + 18810^2 .

It is an emirp because it is prime and its reverse (1204787053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3507874021 - 2⁵ = 3507873989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3507874001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753937010 + 1753937011.

It is an arithmetic number, because the mean of its divisors is an integer number (1753937011).

Almost surely, 2^3507874021 is an apocalyptic number.

It is an amenable number.

3507874021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3507874021 is an equidigital number, since it uses as much as digits as its factorization.

3507874021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 3507874021 is about 59227.3080681538. The cubic root of 3507874021 is about 1519.4322124766.

The spelling of 3507874021 in words is "three billion, five hundred seven million, eight hundred seventy-four thousand, twenty-one".