245316571651 has 8 divisors (see below), whose sum is σ = 248962166784. Its totient is φ = 241676266440.

The previous prime is 245316571649. The next prime is 245316571663. The reversal of 245316571651 is 156175613542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245316571651 - 2¹ = 245316571649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245316571691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228995 + ... + 1414588.

It is an arithmetic number, because the mean of its divisors is an integer number (31120270848).

Almost surely, 2^245316571651 is an apocalyptic number.

245316571651 is a deficient number, since it is larger than the sum of its proper divisors (3645595133).

245316571651 is a wasteful number, since it uses less digits than its factorization.

245316571651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644961.

The product of its digits is 756000, while the sum is 46.

The spelling of 245316571651 in words is "two hundred forty-five billion, three hundred sixteen million, five hundred seventy-one thousand, six hundred fifty-one".