6453902039 has 4 divisors (see below), whose sum is σ = 6950356056. Its totient is φ = 5957448024.

The previous prime is 6453902027. The next prime is 6453902047. The reversal of 6453902039 is 9302093546.

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 6453902039 - 2¹² = 6453897943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6453901987 and 6453902005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453902009) 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, 248226989 + ... + 248227014.

It is an arithmetic number, because the mean of its divisors is an integer number (1737589014).

Almost surely, 2^6453902039 is an apocalyptic number.

6453902039 is a deficient number, since it is larger than the sum of its proper divisors (496454017).

6453902039 is a wasteful number, since it uses less digits than its factorization.

6453902039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496454016.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 6453902039 is about 80336.1813817411. The cubic root of 6453902039 is about 1861.8332831219.

The spelling of 6453902039 in words is "six billion, four hundred fifty-three million, nine hundred two thousand, thirty-nine".