351621041341 has 2 divisors, whose sum is σ = 351621041342. Its totient is φ = 351621041340.

The previous prime is 351621041329. The next prime is 351621041383. The reversal of 351621041341 is 143140126153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339993948100 + 11627093241 = 583090^2 + 107829^2 .

It is a cyclic number.

It is not a de Polignac number, because 351621041341 - 2⁵ = 351621041309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351621041311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175810520670 + 175810520671.

It is an arithmetic number, because the mean of its divisors is an integer number (175810520671).

Almost surely, 2^351621041341 is an apocalyptic number.

It is an amenable number.

351621041341 is a deficient number, since it is larger than the sum of its proper divisors (1).

351621041341 is an equidigital number, since it uses as much as digits as its factorization.

351621041341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 351621041341 its reverse (143140126153), we get a palindrome (494761167494).

The spelling of 351621041341 in words is "three hundred fifty-one billion, six hundred twenty-one million, forty-one thousand, three hundred forty-one".