4638154238155 has 16 divisors (see below), whose sum is σ = 5580544066560. Its totient is φ = 3700684860928.

The previous prime is 4638154238149. The next prime is 4638154238161. The reversal of 4638154238155 is 5518324518364.

It is an interprime number because it is at equal distance from previous prime (4638154238149) and next prime (4638154238161).

It is a cyclic number.

It is not a de Polignac number, because 4638154238155 - 2⁷ = 4638154238027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4638154238096 and 4638154238105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91145799 + ... + 91196671.

It is an arithmetic number, because the mean of its divisors is an integer number (348784004160).

Almost surely, 2^{4638154238155} is an apocalyptic number.

4638154238155 is a deficient number, since it is larger than the sum of its proper divisors (942389828405).

4638154238155 is a wasteful number, since it uses less digits than its factorization.

4638154238155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98870.

The product of its digits is 13824000, while the sum is 55.

The spelling of 4638154238155 in words is "four trillion, six hundred thirty-eight billion, one hundred fifty-four million, two hundred thirty-eight thousand, one hundred fifty-five".