20153054514349 has 2 divisors, whose sum is σ = 20153054514350. Its totient is φ = 20153054514348.

The previous prime is 20153054514343. The next prime is 20153054514391. The reversal of 20153054514349 is 94341545035102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19757073781449 + 395980732900 = 4444893^2 + 629270^2 .

It is a cyclic number.

It is not a de Polignac number, because 20153054514349 - 2¹¹ = 20153054512301 is a prime.

It is a super-2 number, since 2×20153054514349² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20153054514299 and 20153054514308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20153054514343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076527257174 + 10076527257175.

It is an arithmetic number, because the mean of its divisors is an integer number (10076527257175).

Almost surely, 2^{20153054514349} is an apocalyptic number.

It is an amenable number.

20153054514349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153054514349 is an equidigital number, since it uses as much as digits as its factorization.

20153054514349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 20153054514349 in words is "twenty trillion, one hundred fifty-three billion, fifty-four million, five hundred fourteen thousand, three hundred forty-nine".