6454198908458 has 16 divisors (see below), whose sum is σ = 11545399290240. Its totient is φ = 2645820670416.

The previous prime is 6454198908433. The next prime is 6454198908503. The reversal of 6454198908458 is 8548098914546.

It is a junction number, because it is equal to n+sod(n) for n = 6454198908391 and 6454198908400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10022047673 + ... + 10022048316.

It is an arithmetic number, because the mean of its divisors is an integer number (721587455640).

Almost surely, 2^{6454198908458} is an apocalyptic number.

6454198908458 is a deficient number, since it is larger than the sum of its proper divisors (5091200381782).

6454198908458 is a wasteful number, since it uses less digits than its factorization.

6454198908458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044096021.

The product of its (nonzero) digits is 398131200, while the sum is 71.

The spelling of 6454198908458 in words is "six trillion, four hundred fifty-four billion, one hundred ninety-eight million, nine hundred eight thousand, four hundred fifty-eight".