3468401561 has 2 divisors, whose sum is σ = 3468401562. Its totient is φ = 3468401560.

The previous prime is 3468401539. The next prime is 3468401581. The reversal of 3468401561 is 1651048643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3424590400 + 43811161 = 58520^2 + 6619^2 .

It is a cyclic number.

It is not a de Polignac number, because 3468401561 - 2¹⁴ = 3468385177 is a prime.

It is not a weakly prime, because it can be changed into another prime (3468401581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734200780 + 1734200781.

It is an arithmetic number, because the mean of its divisors is an integer number (1734200781).

Almost surely, 2^3468401561 is an apocalyptic number.

It is an amenable number.

3468401561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3468401561 is an equidigital number, since it uses as much as digits as its factorization.

3468401561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 3468401561 is about 58893.1367902916. The cubic root of 3468401561 is about 1513.7115486795.

The spelling of 3468401561 in words is "three billion, four hundred sixty-eight million, four hundred one thousand, five hundred sixty-one".