6453340757 has 4 divisors (see below), whose sum is σ = 6489393120. Its totient is φ = 6417288396.

The previous prime is 6453340693. The next prime is 6453340813. The reversal of 6453340757 is 7570433546.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6453340757 - 2⁶ = 6453340693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453340457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18025913 + ... + 18026270.

It is an arithmetic number, because the mean of its divisors is an integer number (1622348280).

Almost surely, 2^6453340757 is an apocalyptic number.

It is an amenable number.

6453340757 is a deficient number, since it is larger than the sum of its proper divisors (36052363).

6453340757 is a wasteful number, since it uses less digits than its factorization.

6453340757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36052362.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The square root of 6453340757 is about 80332.6879732030. The cubic root of 6453340757 is about 1861.7793083431.

The spelling of 6453340757 in words is "six billion, four hundred fifty-three million, three hundred forty thousand, seven hundred fifty-seven".