1965410864 has 10 divisors (see below), whose sum is σ = 3807983580. Its totient is φ = 982705424.

The previous prime is 1965410861. The next prime is 1965410869. The reversal of 1965410864 is 4680145691.

It is not an unprimeable number, because it can be changed into a prime (1965410861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61419074 + ... + 61419105.

It is an arithmetic number, because the mean of its divisors is an integer number (380798358).

Almost surely, 2^1965410864 is an apocalyptic number.

It is an amenable number.

1965410864 is a deficient number, since it is larger than the sum of its proper divisors (1842572716).

1965410864 is a wasteful number, since it uses less digits than its factorization.

1965410864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122838187 (or 122838181 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1965410864 is about 44332.9546048986. The cubic root of 1965410864 is about 1252.6155077981.

The spelling of 1965410864 in words is "one billion, nine hundred sixty-five million, four hundred ten thousand, eight hundred sixty-four".