3542635464421 has 2 divisors, whose sum is σ = 3542635464422. Its totient is φ = 3542635464420.

The previous prime is 3542635464343. The next prime is 3542635464443. The reversal of 3542635464421 is 1244645362453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2198218404321 + 1344417060100 = 1482639^2 + 1159490^2 .

It is a cyclic number.

It is not a de Polignac number, because 3542635464421 - 2¹³ = 3542635456229 is a prime.

It is a super-3 number, since 3×3542635464421³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3542635464461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771317732210 + 1771317732211.

It is an arithmetic number, because the mean of its divisors is an integer number (1771317732211).

Almost surely, 2^{3542635464421} is an apocalyptic number.

It is an amenable number.

3542635464421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3542635464421 is an equidigital number, since it uses as much as digits as its factorization.

3542635464421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8294400, while the sum is 49.

The spelling of 3542635464421 in words is "three trillion, five hundred forty-two billion, six hundred thirty-five million, four hundred sixty-four thousand, four hundred twenty-one".