6452041639 has 4 divisors (see below), whose sum is σ = 6453752760. Its totient is φ = 6450330520.

The previous prime is 6452041577. The next prime is 6452041649. The reversal of 6452041639 is 9361402546.

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 6452041639 - 2¹¹ = 6452039591 is a prime.

It is a super-2 number, since 2×6452041639² = 83257682622779612642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6452041649) 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, 849892 + ... + 857449.

It is an arithmetic number, because the mean of its divisors is an integer number (1613438190).

Almost surely, 2^6452041639 is an apocalyptic number.

6452041639 is a deficient number, since it is larger than the sum of its proper divisors (1711121).

6452041639 is a wasteful number, since it uses less digits than its factorization.

6452041639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711120.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 6452041639 is about 80324.6017045836. The cubic root of 6452041639 is about 1861.6543687487.

The spelling of 6452041639 in words is "six billion, four hundred fifty-two million, forty-one thousand, six hundred thirty-nine".