1964500546 has 4 divisors (see below), whose sum is σ = 2946750822. Its totient is φ = 982250272.

The previous prime is 1964500543. The next prime is 1964500579. The reversal of 1964500546 is 6450054691.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1729644921 + 234855625 = 41589^2 + 15325^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1964500499 and 1964500508.

It is not an unprimeable number, because it can be changed into a prime (1964500543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491125135 + ... + 491125138.

Almost surely, 2^1964500546 is an apocalyptic number.

1964500546 is a deficient number, since it is larger than the sum of its proper divisors (982250276).

1964500546 is an equidigital number, since it uses as much as digits as its factorization.

1964500546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982250275.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 1964500546 is about 44322.6865837350. The cubic root of 1964500546 is about 1252.4220869114.

The spelling of 1964500546 in words is "one billion, nine hundred sixty-four million, five hundred thousand, five hundred forty-six".