1963497527929 has 6 divisors (see below), whose sum is σ = 2284068552954. Its totient is φ = 1682997881040.

The previous prime is 1963497527837. The next prime is 1963497527941. The reversal of 1963497527929 is 9297257943691.

It can be written as a sum of positive squares in only one way, i.e., 1899324985600 + 64172542329 = 1378160^2 + 253323^2 .

It is not a de Polignac number, because 1963497527929 - 2¹⁵ = 1963497495161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1963497527989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20035689012 + ... + 20035689109.

It is an arithmetic number, because the mean of its divisors is an integer number (380678092159).

Almost surely, 2^{1963497527929} is an apocalyptic number.

It is an amenable number.

1963497527929 is a deficient number, since it is larger than the sum of its proper divisors (320571025025).

1963497527929 is an equidigital number, since it uses as much as digits as its factorization.

1963497527929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40071378135 (or 40071378128 counting only the distinct ones).

The product of its digits is 462944160, while the sum is 73.

The spelling of 1963497527929 in words is "one trillion, nine hundred sixty-three billion, four hundred ninety-seven million, five hundred twenty-seven thousand, nine hundred twenty-nine".