1042602321641 has 2 divisors, whose sum is σ = 1042602321642. Its totient is φ = 1042602321640.

The previous prime is 1042602321623. The next prime is 1042602321727. The reversal of 1042602321641 is 1461232062401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 967427649241 + 75174672400 = 983579^2 + 274180^2 .

It is an emirp because it is prime and its reverse (1461232062401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042602321641 is a prime.

It is a super-3 number, since 3×1042602321641³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042602321598 and 1042602321607.

It is not a weakly prime, because it can be changed into another prime (1042602323641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521301160820 + 521301160821.

It is an arithmetic number, because the mean of its divisors is an integer number (521301160821).

Almost surely, 2^{1042602321641} is an apocalyptic number.

It is an amenable number.

1042602321641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042602321641 is an equidigital number, since it uses as much as digits as its factorization.

1042602321641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 1042602321641 in words is "one trillion, forty-two billion, six hundred two million, three hundred twenty-one thousand, six hundred forty-one".