3543208926401 has 2 divisors, whose sum is σ = 3543208926402. Its totient is φ = 3543208926400.

The previous prime is 3543208926353. The next prime is 3543208926407. The reversal of 3543208926401 is 1046298023453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2451025080625 + 1092183845776 = 1565575^2 + 1045076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3543208926401 is a prime.

It is a super-2 number, since 2×3543208926401² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3543208926407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771604463200 + 1771604463201.

It is an arithmetic number, because the mean of its divisors is an integer number (1771604463201).

Almost surely, 2^{3543208926401} is an apocalyptic number.

It is an amenable number.

3543208926401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3543208926401 is an equidigital number, since it uses as much as digits as its factorization.

3543208926401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 3543208926401 in words is "three trillion, five hundred forty-three billion, two hundred eight million, nine hundred twenty-six thousand, four hundred one".