3435401116261 has 2 divisors, whose sum is σ = 3435401116262. Its totient is φ = 3435401116260.

The previous prime is 3435401116211. The next prime is 3435401116267. The reversal of 3435401116261 is 1626111045343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2733963040900 + 701438075361 = 1653470^2 + 837519^2 .

It is a cyclic number.

It is not a de Polignac number, because 3435401116261 - 2⁹ = 3435401115749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3435401116261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3435401116267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717700558130 + 1717700558131.

It is an arithmetic number, because the mean of its divisors is an integer number (1717700558131).

Almost surely, 2^{3435401116261} is an apocalyptic number.

It is an amenable number.

3435401116261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3435401116261 is an equidigital number, since it uses as much as digits as its factorization.

3435401116261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 3435401116261 in words is "three trillion, four hundred thirty-five billion, four hundred one million, one hundred sixteen thousand, two hundred sixty-one".