1968450138734 has 32 divisors (see below), whose sum is σ = 3009512448000. Its totient is φ = 965493540000.

The previous prime is 1968450138719. The next prime is 1968450138749. The reversal of 1968450138734 is 4378310548691.

It is an interprime number because it is at equal distance from previous prime (1968450138719) and next prime (1968450138749).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11598017 + ... + 11766515.

It is an arithmetic number, because the mean of its divisors is an integer number (94047264000).

Almost surely, 2^{1968450138734} is an apocalyptic number.

1968450138734 is a deficient number, since it is larger than the sum of its proper divisors (1041062309266).

1968450138734 is a wasteful number, since it uses less digits than its factorization.

1968450138734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169136.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1968450138734 in words is "one trillion, nine hundred sixty-eight billion, four hundred fifty million, one hundred thirty-eight thousand, seven hundred thirty-four".