29472309619 has 2 divisors, whose sum is σ = 29472309620. Its totient is φ = 29472309618.

The previous prime is 29472309557. The next prime is 29472309623. The reversal of 29472309619 is 91690327492.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29472309619 is a prime.

It is a super-2 number, since 2×29472309619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29472309019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14736154809 + 14736154810.

It is an arithmetic number, because the mean of its divisors is an integer number (14736154810).

Almost surely, 2^29472309619 is an apocalyptic number.

29472309619 is a deficient number, since it is larger than the sum of its proper divisors (1).

29472309619 is an equidigital number, since it uses as much as digits as its factorization.

29472309619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 29472309619 in words is "twenty-nine billion, four hundred seventy-two million, three hundred nine thousand, six hundred nineteen".