2729361797 has 2 divisors, whose sum is σ = 2729361798. Its totient is φ = 2729361796.

The previous prime is 2729361779. The next prime is 2729361809. The reversal of 2729361797 is 7971639272.

Together with previous prime (2729361779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2692468321 + 36893476 = 51889^2 + 6074^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729361797 - 2¹⁶ = 2729296261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729361707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364680898 + 1364680899.

It is an arithmetic number, because the mean of its divisors is an integer number (1364680899).

Almost surely, 2^2729361797 is an apocalyptic number.

It is an amenable number.

2729361797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729361797 is an equidigital number, since it uses as much as digits as its factorization.

2729361797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 2729361797 is about 52243.2942778305. The cubic root of 2729361797 is about 1397.5060696973.

The spelling of 2729361797 in words is "two billion, seven hundred twenty-nine million, three hundred sixty-one thousand, seven hundred ninety-seven".