3502053561421 has 2 divisors, whose sum is σ = 3502053561422. Its totient is φ = 3502053561420.

The previous prime is 3502053561379. The next prime is 3502053561431. The reversal of 3502053561421 is 1241653502053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3442620484900 + 59433076521 = 1855430^2 + 243789^2 .

It is an emirp because it is prime and its reverse (1241653502053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3502053561421 - 2¹⁷ = 3502053430349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3502053561431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751026780710 + 1751026780711.

It is an arithmetic number, because the mean of its divisors is an integer number (1751026780711).

Almost surely, 2^{3502053561421} is an apocalyptic number.

It is an amenable number.

3502053561421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3502053561421 is an equidigital number, since it uses as much as digits as its factorization.

3502053561421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 3502053561421 in words is "three trillion, five hundred two billion, fifty-three million, five hundred sixty-one thousand, four hundred twenty-one".