4189915493629 has 2 divisors, whose sum is σ = 4189915493630. Its totient is φ = 4189915493628.

The previous prime is 4189915493609. The next prime is 4189915493681. The reversal of 4189915493629 is 9263945199814.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2915477705529 + 1274437788100 = 1707477^2 + 1128910^2 .

It is a cyclic number.

It is not a de Polignac number, because 4189915493629 - 2²¹ = 4189913396477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4189915493609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094957746814 + 2094957746815.

It is an arithmetic number, because the mean of its divisors is an integer number (2094957746815).

Almost surely, 2^{4189915493629} is an apocalyptic number.

It is an amenable number.

4189915493629 is a deficient number, since it is larger than the sum of its proper divisors (1).

4189915493629 is an equidigital number, since it uses as much as digits as its factorization.

4189915493629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151165440, while the sum is 70.

The spelling of 4189915493629 in words is "four trillion, one hundred eighty-nine billion, nine hundred fifteen million, four hundred ninety-three thousand, six hundred twenty-nine".