245485727841506 has 4 divisors (see below), whose sum is σ = 368228591762262. Its totient is φ = 122742863920752.

The previous prime is 245485727841427. The next prime is 245485727841539. The reversal of 245485727841506 is 605148727584542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 164999548396225 + 80486179445281 = 12845215^2 + 8971409^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61371431960375 + ... + 61371431960378.

Almost surely, 2^{245485727841506} is an apocalyptic number.

245485727841506 is a deficient number, since it is larger than the sum of its proper divisors (122742863920756).

245485727841506 is a wasteful number, since it uses less digits than its factorization.

245485727841506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122742863920755.

The product of its (nonzero) digits is 602112000, while the sum is 68.

The spelling of 245485727841506 in words is "two hundred forty-five trillion, four hundred eighty-five billion, seven hundred twenty-seven million, eight hundred forty-one thousand, five hundred six".