1963400100101 has 8 divisors (see below), whose sum is σ = 2141926696704. Its totient is φ = 1784879449920.

The previous prime is 1963400100091. The next prime is 1963400100113. The reversal of 1963400100101 is 1010010043691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1963400100101 - 2¹⁴ = 1963400083717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1963400100121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781685 + ... + 2130218.

It is an arithmetic number, because the mean of its divisors is an integer number (267740837088).

Almost surely, 2^{1963400100101} is an apocalyptic number.

1963400100101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1963400100101 is a deficient number, since it is larger than the sum of its proper divisors (178526596603).

1963400100101 is a wasteful number, since it uses less digits than its factorization.

1963400100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973211.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 1963400100101 its reverse (1010010043691), we get a palindrome (2973410143792).

The spelling of 1963400100101 in words is "one trillion, nine hundred sixty-three billion, four hundred million, one hundred thousand, one hundred one".