3421199639497 has 2 divisors, whose sum is σ = 3421199639498. Its totient is φ = 3421199639496.

The previous prime is 3421199639479. The next prime is 3421199639513. The reversal of 3421199639497 is 7949369911243.

Together with previous prime (3421199639479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2973610541056 + 447589098441 = 1724416^2 + 669021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3421199639497 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421199639467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710599819748 + 1710599819749.

It is an arithmetic number, because the mean of its divisors is an integer number (1710599819749).

Almost surely, 2^{3421199639497} is an apocalyptic number.

It is an amenable number.

3421199639497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421199639497 is an equidigital number, since it uses as much as digits as its factorization.

3421199639497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79361856, while the sum is 67.

The spelling of 3421199639497 in words is "three trillion, four hundred twenty-one billion, one hundred ninety-nine million, six hundred thirty-nine thousand, four hundred ninety-seven".