3468690156961 has 2 divisors, whose sum is σ = 3468690156962. Its totient is φ = 3468690156960.

The previous prime is 3468690156959. The next prime is 3468690156989. The reversal of 3468690156961 is 1696510968643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3466541278225 + 2148878736 = 1861865^2 + 46356^2 .

It is a cyclic number.

It is not a de Polignac number, because 3468690156961 - 2¹ = 3468690156959 is a prime.

It is a super-2 number, since 2×3468690156961² (a number of 26 digits) contains 22 as substring.

Together with 3468690156959, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3468690156893 and 3468690156902.

It is not a weakly prime, because it can be changed into another prime (3468690156901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734345078480 + 1734345078481.

It is an arithmetic number, because the mean of its divisors is an integer number (1734345078481).

Almost surely, 2^{3468690156961} is an apocalyptic number.

It is an amenable number.

3468690156961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3468690156961 is an equidigital number, since it uses as much as digits as its factorization.

3468690156961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 3468690156961 in words is "three trillion, four hundred sixty-eight billion, six hundred ninety million, one hundred fifty-six thousand, nine hundred sixty-one".