3457074581021 has 2 divisors, whose sum is σ = 3457074581022. Its totient is φ = 3457074581020.

The previous prime is 3457074580969. The next prime is 3457074581029. The reversal of 3457074581021 is 1201854707543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1953719040025 + 1503355540996 = 1397755^2 + 1226114^2 .

It is a cyclic number.

It is not a de Polignac number, because 3457074581021 - 2¹⁸ = 3457074318877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3457074581029) 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 as a sum of consecutive naturals, namely, 1728537290510 + 1728537290511.

It is an arithmetic number, because the mean of its divisors is an integer number (1728537290511).

Almost surely, 2^{3457074581021} is an apocalyptic number.

It is an amenable number.

3457074581021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457074581021 is an equidigital number, since it uses as much as digits as its factorization.

3457074581021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 3457074581021 in words is "three trillion, four hundred fifty-seven billion, seventy-four million, five hundred eighty-one thousand, twenty-one".