1963013957776 has 45 divisors (see below), whose sum is σ = 3930333452883. Its totient is φ = 949761398880.

The previous prime is 1963013957771. The next prime is 1963013957783. The reversal of 1963013957776 is 6777593103691.

The square root of 1963013957776 is 1401076.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (1963013957771) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 173727775 + ... + 173739073.

Almost surely, 2^{1963013957776} is an apocalyptic number.

1963013957776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1963013957776 is the 1401076-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1963013957776

1963013957776 is an abundant number, since it is smaller than the sum of its proper divisors (1967319495107).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1963013957776 is an frugal number, since it uses more digits than its factorization.

1963013957776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22668 (or 11332 counting only the distinct ones).

The product of its (nonzero) digits is 45008460, while the sum is 64.

Multiplying 1963013957776 by its sum of digits (64), we get a square (125632893297664 = 11208608²).

The spelling of 1963013957776 in words is "one trillion, nine hundred sixty-three billion, thirteen million, nine hundred fifty-seven thousand, seven hundred seventy-six".