745740677219 has 2 divisors, whose sum is σ = 745740677220. Its totient is φ = 745740677218.

The previous prime is 745740677197. The next prime is 745740677257. The reversal of 745740677219 is 912776047547.

745740677219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745740677219 is a prime.

It is a super-2 number, since 2×745740677219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (745740679219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372870338609 + 372870338610.

It is an arithmetic number, because the mean of its divisors is an integer number (372870338610).

Almost surely, 2^745740677219 is an apocalyptic number.

745740677219 is a deficient number, since it is larger than the sum of its proper divisors (1).

745740677219 is an equidigital number, since it uses as much as digits as its factorization.

745740677219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20744640, while the sum is 59.

The spelling of 745740677219 in words is "seven hundred forty-five billion, seven hundred forty million, six hundred seventy-seven thousand, two hundred nineteen".