28454200014431 has 2 divisors, whose sum is σ = 28454200014432. Its totient is φ = 28454200014430.

The previous prime is 28454200014391. The next prime is 28454200014439. The reversal of 28454200014431 is 13441000245482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28454200014431 - 2¹⁴ = 28454199998047 is a prime.

It is a super-2 number, since 2×28454200014431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28454200014439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14227100007215 + 14227100007216.

It is an arithmetic number, because the mean of its divisors is an integer number (14227100007216).

Almost surely, 2^{28454200014431} is an apocalyptic number.

28454200014431 is a deficient number, since it is larger than the sum of its proper divisors (1).

28454200014431 is an equidigital number, since it uses as much as digits as its factorization.

28454200014431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 28454200014431 in words is "twenty-eight trillion, four hundred fifty-four billion, two hundred million, fourteen thousand, four hundred thirty-one".