146433361639 has 4 divisors (see below), whose sum is σ = 146437961320. Its totient is φ = 146428761960.

The previous prime is 146433361621. The next prime is 146433361643. The reversal of 146433361639 is 936163334641.

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

It is a cyclic number.

It is not a de Polignac number, because 146433361639 - 2²³ = 146424973031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146433361592 and 146433361601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146433361619) 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, 2251752 + ... + 2315869.

It is an arithmetic number, because the mean of its divisors is an integer number (36609490330).

Almost surely, 2^146433361639 is an apocalyptic number.

146433361639 is a deficient number, since it is larger than the sum of its proper divisors (4599681).

146433361639 is an equidigital number, since it uses as much as digits as its factorization.

146433361639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599680.

The product of its digits is 2519424, while the sum is 49.

The spelling of 146433361639 in words is "one hundred forty-six billion, four hundred thirty-three million, three hundred sixty-one thousand, six hundred thirty-nine".