1964788315 has 8 divisors (see below), whose sum is σ = 2694566880. Its totient is φ = 1347283392.

The previous prime is 1964788307. The next prime is 1964788321. The reversal of 1964788315 is 5138874691.

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

It is not a de Polignac number, because 1964788315 - 2³ = 1964788307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28068370 + ... + 28068439.

It is an arithmetic number, because the mean of its divisors is an integer number (336820860).

Almost surely, 2^1964788315 is an apocalyptic number.

1964788315 is a deficient number, since it is larger than the sum of its proper divisors (729778565).

1964788315 is an equidigital number, since it uses as much as digits as its factorization.

1964788315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56136821.

The product of its digits is 1451520, while the sum is 52.

The square root of 1964788315 is about 44325.9327595032. The cubic root of 1964788315 is about 1252.4832374254.

The spelling of 1964788315 in words is "one billion, nine hundred sixty-four million, seven hundred eighty-eight thousand, three hundred fifteen".