245616420436 has 6 divisors (see below), whose sum is σ = 429828735770. Its totient is φ = 122808210216.

The previous prime is 245616420407. The next prime is 245616420449. The reversal of 245616420436 is 634024616542.

245616420436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 244870584336 + 745836100 = 494844^2 + 27310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245616420392 and 245616420401.

It is a congruent number.

It is an unprimeable number.

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, 30702052551 + ... + 30702052558.

Almost surely, 2^245616420436 is an apocalyptic number.

It is an amenable number.

245616420436 is a deficient number, since it is larger than the sum of its proper divisors (184212315334).

245616420436 is a wasteful number, since it uses less digits than its factorization.

245616420436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61404105113 (or 61404105111 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 245616420436 in words is "two hundred forty-five billion, six hundred sixteen million, four hundred twenty thousand, four hundred thirty-six".