748951849 has 2 divisors, whose sum is σ = 748951850. Its totient is φ = 748951848.

The previous prime is 748951811. The next prime is 748951897. The reversal of 748951849 is 948159847.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534534400 + 214417449 = 23120^2 + 14643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748951849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 748951849.

It is not a weakly prime, because it can be changed into another prime (748951349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374475924 + 374475925.

It is an arithmetic number, because the mean of its divisors is an integer number (374475925).

Almost surely, 2^748951849 is an apocalyptic number.

It is an amenable number.

748951849 is a deficient number, since it is larger than the sum of its proper divisors (1).

748951849 is an equidigital number, since it uses as much as digits as its factorization.

748951849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 55.

The square root of 748951849 is about 27366.9846530450. The cubic root of 748951849 is about 908.1368509245.

The spelling of 748951849 in words is "seven hundred forty-eight million, nine hundred fifty-one thousand, eight hundred forty-nine".