745617516767 has 2 divisors, whose sum is σ = 745617516768. Its totient is φ = 745617516766.

The previous prime is 745617516689. The next prime is 745617516779. The reversal of 745617516767 is 767615716547.

It is a strong prime.

It is an emirp because it is prime and its reverse (767615716547) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745617516767 is a prime.

It is a super-2 number, since 2×745617516767² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745617516797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372808758383 + 372808758384.

It is an arithmetic number, because the mean of its divisors is an integer number (372808758384).

Almost surely, 2^745617516767 is an apocalyptic number.

745617516767 is a deficient number, since it is larger than the sum of its proper divisors (1).

745617516767 is an equidigital number, since it uses as much as digits as its factorization.

745617516767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51861600, while the sum is 62.

The spelling of 745617516767 in words is "seven hundred forty-five billion, six hundred seventeen million, five hundred sixteen thousand, seven hundred sixty-seven".