65276644946 has 4 divisors (see below), whose sum is σ = 97914967422. Its totient is φ = 32638322472.

The previous prime is 65276644943. The next prime is 65276644969. The reversal of 65276644946 is 64944667256.

65276644946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 52146006025 + 13130638921 = 228355^2 + 114589^2 .

It is a super-2 number, since 2×65276644946² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65276644943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16319161235 + ... + 16319161238.

Almost surely, 2^65276644946 is an apocalyptic number.

65276644946 is a deficient number, since it is larger than the sum of its proper divisors (32638322476).

65276644946 is a wasteful number, since it uses less digits than its factorization.

65276644946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32638322475.

The product of its digits is 52254720, while the sum is 59.

The spelling of 65276644946 in words is "sixty-five billion, two hundred seventy-six million, six hundred forty-four thousand, nine hundred forty-six".