747545150749 has 2 divisors, whose sum is σ = 747545150750. Its totient is φ = 747545150748.

The previous prime is 747545150707. The next prime is 747545150753. The reversal of 747545150749 is 947051545747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449121127225 + 298424023524 = 670165^2 + 546282^2 .

It is a cyclic number.

It is not a de Polignac number, because 747545150749 - 2²¹ = 747543053597 is a prime.

It is a super-2 number, since 2×747545150749² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 747545150693 and 747545150702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747545150789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373772575374 + 373772575375.

It is an arithmetic number, because the mean of its divisors is an integer number (373772575375).

Almost surely, 2^747545150749 is an apocalyptic number.

It is an amenable number.

747545150749 is a deficient number, since it is larger than the sum of its proper divisors (1).

747545150749 is an equidigital number, since it uses as much as digits as its factorization.

747545150749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696000, while the sum is 58.

The spelling of 747545150749 in words is "seven hundred forty-seven billion, five hundred forty-five million, one hundred fifty thousand, seven hundred forty-nine".