10000154891394 has 24 divisors (see below), whose sum is σ = 21668063039532. Its totient is φ = 3333221767680.

The previous prime is 10000154891371. The next prime is 10000154891417. The reversal of 10000154891394 is 49319845100001.

10000154891394 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 0 + 1 + 548 + 9 + 13 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (10000154891371) and next prime (10000154891417).

It can be written as a sum of positive squares in 2 ways, for example, as 9760531914225 + 239622977169 = 3124185^2 + 489513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13221519 + ... + 13957394.

Almost surely, 2^{10000154891394} is an apocalyptic number.

10000154891394 is an abundant number, since it is smaller than the sum of its proper divisors (11667908148138).

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

10000154891394 is a wasteful number, since it uses less digits than its factorization.

10000154891394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27199362 (or 27199359 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

Adding to 10000154891394 its reverse (49319845100001), we get a palindrome (59319999991395).

The spelling of 10000154891394 in words is "ten trillion, one hundred fifty-four million, eight hundred ninety-one thousand, three hundred ninety-four".