3420492917761 has 4 divisors (see below), whose sum is σ = 3421031330052. Its totient is φ = 3419954505472.

The previous prime is 3420492917719. The next prime is 3420492917797. The reversal of 3420492917761 is 1677192940243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1019988903025 + 2400504014736 = 1009945^2 + 1549356^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420492917761 - 2¹³ = 3420492909569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420492917161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269196616 + ... + 269209321.

It is an arithmetic number, because the mean of its divisors is an integer number (855257832513).

Almost surely, 2^{3420492917761} is an apocalyptic number.

It is an amenable number.

3420492917761 is a deficient number, since it is larger than the sum of its proper divisors (538412291).

3420492917761 is an equidigital number, since it uses as much as digits as its factorization.

3420492917761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538412290.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 3420492917761 in words is "three trillion, four hundred twenty billion, four hundred ninety-two million, nine hundred seventeen thousand, seven hundred sixty-one".