19763967135 has 16 divisors (see below), whose sum is σ = 34497106560. Its totient is φ = 9582529440.

The previous prime is 19763967127. The next prime is 19763967187. The reversal of 19763967135 is 53176936791.

It is not a de Polignac number, because 19763967135 - 2³ = 19763967127 is a prime.

It is a super-2 number, since 2×19763967135² (a number of 21 digits) contains 22 as substring.

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, 59890645 + ... + 59890974.

It is an arithmetic number, because the mean of its divisors is an integer number (2156069160).

Almost surely, 2^19763967135 is an apocalyptic number.

19763967135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19763967135 is a deficient number, since it is larger than the sum of its proper divisors (14733139425).

19763967135 is a wasteful number, since it uses less digits than its factorization.

19763967135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119781638.

The product of its digits is 6429780, while the sum is 57.

The spelling of 19763967135 in words is "nineteen billion, seven hundred sixty-three million, nine hundred sixty-seven thousand, one hundred thirty-five".