245378136403 has 2 divisors, whose sum is σ = 245378136404. Its totient is φ = 245378136402.

The previous prime is 245378136379. The next prime is 245378136413. The reversal of 245378136403 is 304631873542.

245378136403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245378136403 - 2⁵ = 245378136371 is a prime.

It is not a weakly prime, because it can be changed into another prime (245378136413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122689068201 + 122689068202.

It is an arithmetic number, because the mean of its divisors is an integer number (122689068202).

Almost surely, 2^245378136403 is an apocalyptic number.

245378136403 is a deficient number, since it is larger than the sum of its proper divisors (1).

245378136403 is an equidigital number, since it uses as much as digits as its factorization.

245378136403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 245378136403 in words is "two hundred forty-five billion, three hundred seventy-eight million, one hundred thirty-six thousand, four hundred three".