72988260349 has 2 divisors, whose sum is σ = 72988260350. Its totient is φ = 72988260348.

The previous prime is 72988260337. The next prime is 72988260379. The reversal of 72988260349 is 94306288927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53264024100 + 19724236249 = 230790^2 + 140443^2 .

It is a cyclic number.

It is not a de Polignac number, because 72988260349 - 2³¹ = 70840776701 is a prime.

It is a super-2 number, since 2×72988260349² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72988260293 and 72988260302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72988260379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36494130174 + 36494130175.

It is an arithmetic number, because the mean of its divisors is an integer number (36494130175).

Almost surely, 2^72988260349 is an apocalyptic number.

It is an amenable number.

72988260349 is a deficient number, since it is larger than the sum of its proper divisors (1).

72988260349 is an equidigital number, since it uses as much as digits as its factorization.

72988260349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 72988260349 in words is "seventy-two billion, nine hundred eighty-eight million, two hundred sixty thousand, three hundred forty-nine".