351606410609 has 2 divisors, whose sum is σ = 351606410610. Its totient is φ = 351606410608.

The previous prime is 351606410591. The next prime is 351606410677. The reversal of 351606410609 is 906014606153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338436553009 + 13169857600 = 581753^2 + 114760^2 .

It is a cyclic number.

It is not a de Polignac number, because 351606410609 - 2¹² = 351606406513 is a prime.

It is not a weakly prime, because it can be changed into another prime (351606610609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175803205304 + 175803205305.

It is an arithmetic number, because the mean of its divisors is an integer number (175803205305).

Almost surely, 2^351606410609 is an apocalyptic number.

It is an amenable number.

351606410609 is a deficient number, since it is larger than the sum of its proper divisors (1).

351606410609 is an equidigital number, since it uses as much as digits as its factorization.

351606410609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 351606410609 in words is "three hundred fifty-one billion, six hundred six million, four hundred ten thousand, six hundred nine".