19141947029 has 2 divisors, whose sum is σ = 19141947030. Its totient is φ = 19141947028.

The previous prime is 19141946981. The next prime is 19141947049. The reversal of 19141947029 is 92074914191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18044548900 + 1097398129 = 134330^2 + 33127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19141947029 is a prime.

It is a super-2 number, since 2×19141947029² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19141947049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9570973514 + 9570973515.

It is an arithmetic number, because the mean of its divisors is an integer number (9570973515).

Almost surely, 2^19141947029 is an apocalyptic number.

It is an amenable number.

19141947029 is a deficient number, since it is larger than the sum of its proper divisors (1).

19141947029 is an equidigital number, since it uses as much as digits as its factorization.

19141947029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 19141947029 in words is "nineteen billion, one hundred forty-one million, nine hundred forty-seven thousand, twenty-nine".