20413154464363 has 2 divisors, whose sum is σ = 20413154464364. Its totient is φ = 20413154464362.

The previous prime is 20413154464337. The next prime is 20413154464393. The reversal of 20413154464363 is 36346445131402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413154464363 is a prime.

It is not a weakly prime, because it can be changed into another prime (20413154464393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206577232181 + 10206577232182.

It is an arithmetic number, because the mean of its divisors is an integer number (10206577232182).

Almost surely, 2^{20413154464363} is an apocalyptic number.

20413154464363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413154464363 is an equidigital number, since it uses as much as digits as its factorization.

20413154464363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 46.

Adding to 20413154464363 its reverse (36346445131402), we get a palindrome (56759599595765).

The spelling of 20413154464363 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, four hundred sixty-four thousand, three hundred sixty-three".