196751629 has 2 divisors, whose sum is σ = 196751630. Its totient is φ = 196751628.

The previous prime is 196751627. The next prime is 196751647. The reversal of 196751629 is 926157691.

196751629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126225225 + 70526404 = 11235^2 + 8398^2 .

It is an emirp because it is prime and its reverse (926157691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196751629 - 2¹ = 196751627 is a prime.

It is a super-2 number, since 2×196751629² = 77422407028307282, which contains 22 as substring.

Together with 196751627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196751623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98375814 + 98375815.

It is an arithmetic number, because the mean of its divisors is an integer number (98375815).

Almost surely, 2^196751629 is an apocalyptic number.

It is an amenable number.

196751629 is a deficient number, since it is larger than the sum of its proper divisors (1).

196751629 is an equidigital number, since it uses as much as digits as its factorization.

196751629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 196751629 is about 14026.8182065642. The cubic root of 196751629 is about 581.6201520354.

The spelling of 196751629 in words is "one hundred ninety-six million, seven hundred fifty-one thousand, six hundred twenty-nine".