2154695109004 has 24 divisors (see below), whose sum is σ = 3862800165168. Its totient is φ = 1051039484160.

The previous prime is 2154695109001. The next prime is 2154695109097. The reversal of 2154695109004 is 4009015964512.

It is a super-2 number, since 2×2154695109004² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2154695109001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5906827 + ... + 6260989.

It is an arithmetic number, because the mean of its divisors is an integer number (160950006882).

Almost surely, 2^{2154695109004} is an apocalyptic number.

It is an amenable number.

2154695109004 is a deficient number, since it is larger than the sum of its proper divisors (1708105056164).

2154695109004 is a wasteful number, since it uses less digits than its factorization.

2154695109004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391305 (or 391303 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 2154695109004 in words is "two trillion, one hundred fifty-four billion, six hundred ninety-five million, one hundred nine thousand, four".