1996013651 has 2 divisors, whose sum is σ = 1996013652. Its totient is φ = 1996013650.

The previous prime is 1996013633. The next prime is 1996013749. The reversal of 1996013651 is 1563106991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1996013651 - 2⁶ = 1996013587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1996013599 and 1996013608.

It is not a weakly prime, because it can be changed into another prime (1996013051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998006825 + 998006826.

It is an arithmetic number, because the mean of its divisors is an integer number (998006826).

Almost surely, 2^1996013651 is an apocalyptic number.

1996013651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996013651 is an equidigital number, since it uses as much as digits as its factorization.

1996013651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1996013651 is about 44676.7685827881. The cubic root of 1996013651 is about 1259.0834122926.

The spelling of 1996013651 in words is "one billion, nine hundred ninety-six million, thirteen thousand, six hundred fifty-one".