245004854364731 has 4 divisors (see below), whose sum is σ = 245006769625464. Its totient is φ = 245002939104000.

The previous prime is 245004854364703. The next prime is 245004854364773. The reversal of 245004854364731 is 137463458400542.

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

It is a cyclic number.

It is not a de Polignac number, because 245004854364731 - 2¹⁴ = 245004854348347 is a prime.

It is a super-2 number, since 2×245004854364731² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245004854366731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957438470 + ... + 957694331.

It is an arithmetic number, because the mean of its divisors is an integer number (61251692406366).

Almost surely, 2^{245004854364731} is an apocalyptic number.

245004854364731 is a deficient number, since it is larger than the sum of its proper divisors (1915260733).

245004854364731 is a wasteful number, since it uses less digits than its factorization.

245004854364731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915260732.

The product of its (nonzero) digits is 38707200, while the sum is 56.

The spelling of 245004854364731 in words is "two hundred forty-five trillion, four billion, eight hundred fifty-four million, three hundred sixty-four thousand, seven hundred thirty-one".