1964812245 has 32 divisors (see below), whose sum is σ = 3441951360. Its totient is φ = 949175040.

The previous prime is 1964812243. The next prime is 1964812259. The reversal of 1964812245 is 5422184691.

It is not a de Polignac number, because 1964812245 - 2¹ = 1964812243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1964812197 and 1964812206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964812243) 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, 24211 + ... + 67199.

It is an arithmetic number, because the mean of its divisors is an integer number (107560980).

Almost surely, 2^1964812245 is an apocalyptic number.

1964812245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1964812245 is a deficient number, since it is larger than the sum of its proper divisors (1477139115).

1964812245 is a wasteful number, since it uses less digits than its factorization.

1964812245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43285.

The product of its digits is 138240, while the sum is 42.

The square root of 1964812245 is about 44326.2026909592. The cubic root of 1964812245 is about 1252.4883222484.

The spelling of 1964812245 in words is "one billion, nine hundred sixty-four million, eight hundred twelve thousand, two hundred forty-five".