1996436703951 has 12 divisors (see below), whose sum is σ = 2950805671528. Its totient is φ = 1300005295344.

The previous prime is 1996436703923. The next prime is 1996436703979. The reversal of 1996436703951 is 1593076346991.

1996436703951 is a `hidden beast` number, since 1 + 99 + 64 + 36 + 70 + 395 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1996436703923) and next prime (1996436703979).

It is not a de Polignac number, because 1996436703951 - 2²⁵ = 1996403149519 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 (1996436702951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2579375200 + ... + 2579375973.

Almost surely, 2^{1996436703951} is an apocalyptic number.

1996436703951 is a deficient number, since it is larger than the sum of its proper divisors (954368967577).

1996436703951 is a wasteful number, since it uses less digits than its factorization.

1996436703951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158751222 (or 5158751219 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 63.

The spelling of 1996436703951 in words is "one trillion, nine hundred ninety-six billion, four hundred thirty-six million, seven hundred three thousand, nine hundred fifty-one".