4640623215315 has 32 divisors (see below), whose sum is σ = 7990643048256. Its totient is φ = 2291223797760.

The previous prime is 4640623215313. The next prime is 4640623215317. The reversal of 4640623215315 is 5135123260464.

It is an interprime number because it is at equal distance from previous prime (4640623215313) and next prime (4640623215317).

It is not a de Polignac number, because 4640623215315 - 2¹ = 4640623215313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4640623215313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149152662 + ... + 149183771.

It is an arithmetic number, because the mean of its divisors is an integer number (249707595258).

Almost surely, 2^{4640623215315} is an apocalyptic number.

4640623215315 is a deficient number, since it is larger than the sum of its proper divisors (3350019832941).

4640623215315 is a wasteful number, since it uses less digits than its factorization.

4640623215315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298336519.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 4640623215315 its reverse (5135123260464), we get a palindrome (9775746475779).

The spelling of 4640623215315 in words is "four trillion, six hundred forty billion, six hundred twenty-three million, two hundred fifteen thousand, three hundred fifteen".