28940148345203 has 2 divisors, whose sum is σ = 28940148345204. Its totient is φ = 28940148345202.

The previous prime is 28940148345197. The next prime is 28940148345253. The reversal of 28940148345203 is 30254384104982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28940148345203 - 2¹² = 28940148341107 is a prime.

It is a super-2 number, since 2×28940148345203² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28940148345253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14470074172601 + 14470074172602.

It is an arithmetic number, because the mean of its divisors is an integer number (14470074172602).

Almost surely, 2^{28940148345203} is an apocalyptic number.

28940148345203 is a deficient number, since it is larger than the sum of its proper divisors (1).

28940148345203 is an equidigital number, since it uses as much as digits as its factorization.

28940148345203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 28940148345203 in words is "twenty-eight trillion, nine hundred forty billion, one hundred forty-eight million, three hundred forty-five thousand, two hundred three".