19672596329 has 2 divisors, whose sum is σ = 19672596330. Its totient is φ = 19672596328.

The previous prime is 19672596323. The next prime is 19672596403. The reversal of 19672596329 is 92369527691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13701170704 + 5971425625 = 117052^2 + 77275^2 .

It is a cyclic number.

It is not a de Polignac number, because 19672596329 - 2¹⁶ = 19672530793 is a prime.

It is a super-2 number, since 2×19672596329² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19672596323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9836298164 + 9836298165.

It is an arithmetic number, because the mean of its divisors is an integer number (9836298165).

Almost surely, 2^19672596329 is an apocalyptic number.

It is an amenable number.

19672596329 is a deficient number, since it is larger than the sum of its proper divisors (1).

19672596329 is an equidigital number, since it uses as much as digits as its factorization.

19672596329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11022480, while the sum is 59.

The spelling of 19672596329 in words is "nineteen billion, six hundred seventy-two million, five hundred ninety-six thousand, three hundred twenty-nine".