745653007261 has 16 divisors (see below), whose sum is σ = 795816672640. Its totient is φ = 696585277440.

The previous prime is 745653007249. The next prime is 745653007279. The reversal of 745653007261 is 162700356547.

It is a cyclic number.

It is not a de Polignac number, because 745653007261 - 2³¹ = 743505523613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745693007261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6871456 + ... + 6979126.

It is an arithmetic number, because the mean of its divisors is an integer number (49738542040).

Almost surely, 2^745653007261 is an apocalyptic number.

It is an amenable number.

745653007261 is a deficient number, since it is larger than the sum of its proper divisors (50163665379).

745653007261 is a wasteful number, since it uses less digits than its factorization.

745653007261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112756.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 745653007261 in words is "seven hundred forty-five billion, six hundred fifty-three million, seven thousand, two hundred sixty-one".