5394251898 has 24 divisors (see below), whose sum is σ = 13357195488. Its totient is φ = 1541214792.

The previous prime is 5394251897. The next prime is 5394251903. The reversal of 5394251898 is 8981524935.

5394251898 is a `hidden beast` number, since 5 + 39 + 4 + 2 + 518 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (5394251897) 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 11 ways as a sum of consecutive naturals, for example, 21405636 + ... + 21405887.

It is an arithmetic number, because the mean of its divisors is an integer number (556549812).

Almost surely, 2^5394251898 is an apocalyptic number.

5394251898 is an abundant number, since it is smaller than the sum of its proper divisors (7962943590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5394251898 is a wasteful number, since it uses less digits than its factorization.

5394251898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42811538 (or 42811535 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 5394251898 is about 73445.5709896792. The cubic root of 5394251898 is about 1753.7879199865.

The spelling of 5394251898 in words is "five billion, three hundred ninety-four million, two hundred fifty-one thousand, eight hundred ninety-eight".