2154104623436 has 12 divisors (see below), whose sum is σ = 3789215129112. Its totient is φ = 1071471729408.

The previous prime is 2154104623343. The next prime is 2154104623439. The reversal of 2154104623436 is 6343264014512.

It is a super-4 number, since 4×2154104623436⁴ (a number of 50 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2154104623393 and 2154104623402.

It is not an unprimeable number, because it can be changed into a prime (2154104623439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395144710 + ... + 1395146253.

It is an arithmetic number, because the mean of its divisors is an integer number (315767927426).

Almost surely, 2^{2154104623436} is an apocalyptic number.

It is an amenable number.

2154104623436 is a deficient number, since it is larger than the sum of its proper divisors (1635110505676).

2154104623436 is a wasteful number, since it uses less digits than its factorization.

2154104623436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790291160 (or 2790291158 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 2154104623436 its reverse (6343264014512), we get a palindrome (8497368637948).

The spelling of 2154104623436 in words is "two trillion, one hundred fifty-four billion, one hundred four million, six hundred twenty-three thousand, four hundred thirty-six".