3435401362661 has 2 divisors, whose sum is σ = 3435401362662. Its totient is φ = 3435401362660.

The previous prime is 3435401362619. The next prime is 3435401362711. The reversal of 3435401362661 is 1662631045343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3231994950625 + 203406412036 = 1797775^2 + 451006^2 .

It is a cyclic number.

It is not a de Polignac number, because 3435401362661 - 2⁶ = 3435401362597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3435401302661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717700681330 + 1717700681331.

It is an arithmetic number, because the mean of its divisors is an integer number (1717700681331).

Almost surely, 2^{3435401362661} is an apocalyptic number.

It is an amenable number.

3435401362661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3435401362661 is an equidigital number, since it uses as much as digits as its factorization.

3435401362661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 3435401362661 in words is "three trillion, four hundred thirty-five billion, four hundred one million, three hundred sixty-two thousand, six hundred sixty-one".