1642430960329 has 4 divisors (see below), whose sum is σ = 1644183822484. Its totient is φ = 1640678098176.

The previous prime is 1642430960293. The next prime is 1642430960363. The reversal of 1642430960329 is 9230690342461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 950531402304 + 691899558025 = 974952^2 + 831805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1642430960329 - 2²¹ = 1642428863177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1642430969329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876429672 + ... + 876431545.

It is an arithmetic number, because the mean of its divisors is an integer number (411045955621).

Almost surely, 2^{1642430960329} is an apocalyptic number.

It is an amenable number.

1642430960329 is a deficient number, since it is larger than the sum of its proper divisors (1752862155).

1642430960329 is an equidigital number, since it uses as much as digits as its factorization.

1642430960329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752862154.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 1642430960329 in words is "one trillion, six hundred forty-two billion, four hundred thirty million, nine hundred sixty thousand, three hundred twenty-nine".