72201400819 has 2 divisors, whose sum is σ = 72201400820. Its totient is φ = 72201400818.

The previous prime is 72201400811. The next prime is 72201400853. The reversal of 72201400819 is 91800410227.

It is an a-pointer prime, because the next prime (72201400853) can be obtained adding 72201400819 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72201400819 - 2³ = 72201400811 is a prime.

It is a super-2 number, since 2×72201400819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72201400811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36100700409 + 36100700410.

It is an arithmetic number, because the mean of its divisors is an integer number (36100700410).

Almost surely, 2^72201400819 is an apocalyptic number.

72201400819 is a deficient number, since it is larger than the sum of its proper divisors (1).

72201400819 is an equidigital number, since it uses as much as digits as its factorization.

72201400819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 72201400819 in words is "seventy-two billion, two hundred one million, four hundred thousand, eight hundred nineteen".