6454508919499 has 16 divisors (see below), whose sum is σ = 6677829233152. Its totient is φ = 6234616459008.

The previous prime is 6454508919493. The next prime is 6454508919511. The reversal of 6454508919499 is 9949198054546.

It is a cyclic number.

It is not a de Polignac number, because 6454508919499 - 2¹⁵ = 6454508886731 is a prime.

It is a super-2 number, since 2×6454508919499² (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 (6454508919493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4841002 + ... + 6028624.

It is an arithmetic number, because the mean of its divisors is an integer number (417364327072).

Almost surely, 2^{6454508919499} is an apocalyptic number.

6454508919499 is a deficient number, since it is larger than the sum of its proper divisors (223320313653).

6454508919499 is a wasteful number, since it uses less digits than its factorization.

6454508919499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189066.

The product of its (nonzero) digits is 503884800, while the sum is 73.

The spelling of 6454508919499 in words is "six trillion, four hundred fifty-four billion, five hundred eight million, nine hundred nineteen thousand, four hundred ninety-nine".