1965381497908 has 48 divisors (see below), whose sum is σ = 3547702609920. Its totient is φ = 952233861600.

The previous prime is 1965381497903. The next prime is 1965381497927. The reversal of 1965381497908 is 8097941835691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965381497903) 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, 114317593 + ... + 114334783.

It is an arithmetic number, because the mean of its divisors is an integer number (73910471040).

Almost surely, 2^{1965381497908} is an apocalyptic number.

It is an amenable number.

1965381497908 is a deficient number, since it is larger than the sum of its proper divisors (1582321112012).

1965381497908 is a wasteful number, since it uses less digits than its factorization.

1965381497908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24148 (or 24146 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 1965381497908 in words is "one trillion, nine hundred sixty-five billion, three hundred eighty-one million, four hundred ninety-seven thousand, nine hundred eight".