6453768434859 has 6 divisors (see below), whose sum is σ = 9322109961476. Its totient is φ = 4302512289900.

The previous prime is 6453768434809. The next prime is 6453768434881. The reversal of 6453768434859 is 9584348673546.

It is a happy number.

6453768434859 is a `hidden beast` number, since 6 + 4 + 53 + 7 + 68 + 434 + 85 + 9 = 666.

It is not a de Polignac number, because 6453768434859 - 2¹³ = 6453768426667 is a prime.

It is a super-2 number, since 2×6453768434859² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6453768434809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358542690817 + ... + 358542690834.

Almost surely, 2^{6453768434859} is an apocalyptic number.

6453768434859 is a deficient number, since it is larger than the sum of its proper divisors (2868341526617).

6453768434859 is a wasteful number, since it uses less digits than its factorization.

6453768434859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717085381657 (or 717085381654 counting only the distinct ones).

The product of its digits is 2090188800, while the sum is 72.

The spelling of 6453768434859 in words is "six trillion, four hundred fifty-three billion, seven hundred sixty-eight million, four hundred thirty-four thousand, eight hundred fifty-nine".