749147453 has 2 divisors, whose sum is σ = 749147454. Its totient is φ = 749147452.

The previous prime is 749147417. The next prime is 749147461. The reversal of 749147453 is 354741947.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720224569 + 28922884 = 26837^2 + 5378^2 .

It is a cyclic number.

It is not a de Polignac number, because 749147453 - 2⁸ = 749147197 is a prime.

It is a super-2 number, since 2×749147453² = 1122443812672774418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749147153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374573726 + 374573727.

It is an arithmetic number, because the mean of its divisors is an integer number (374573727).

Almost surely, 2^749147453 is an apocalyptic number.

It is an amenable number.

749147453 is a deficient number, since it is larger than the sum of its proper divisors (1).

749147453 is an equidigital number, since it uses as much as digits as its factorization.

749147453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 749147453 is about 27370.5581419159. The cubic root of 749147453 is about 908.2159035092.

The spelling of 749147453 in words is "seven hundred forty-nine million, one hundred forty-seven thousand, four hundred fifty-three".