1968064534 has 32 divisors (see below), whose sum is σ = 3256394400. Its totient is φ = 888207360.

The previous prime is 1968064531. The next prime is 1968064537. The reversal of 1968064534 is 4354608691.

It is an interprime number because it is at equal distance from previous prime (1968064531) and next prime (1968064537).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968064531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70282 + ... + 94210.

It is an arithmetic number, because the mean of its divisors is an integer number (101762325).

Almost surely, 2^1968064534 is an apocalyptic number.

1968064534 is a deficient number, since it is larger than the sum of its proper divisors (1288329866).

1968064534 is a wasteful number, since it uses less digits than its factorization.

1968064534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24048.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 1968064534 is about 44362.8733740275. The cubic root of 1968064534 is about 1253.1790088550.

The spelling of 1968064534 in words is "one billion, nine hundred sixty-eight million, sixty-four thousand, five hundred thirty-four".