749290819 has 2 divisors, whose sum is σ = 749290820. Its totient is φ = 749290818.

The previous prime is 749290807. The next prime is 749290831. The reversal of 749290819 is 918092947.

It is a balanced prime because it is at equal distance from previous prime (749290807) and next prime (749290831).

It is a cyclic number.

It is not a de Polignac number, because 749290819 - 2¹³ = 749282627 is a prime.

It is a super-3 number, since 3×749290819³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (749290889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374645409 + 374645410.

It is an arithmetic number, because the mean of its divisors is an integer number (374645410).

Almost surely, 2^749290819 is an apocalyptic number.

749290819 is a deficient number, since it is larger than the sum of its proper divisors (1).

749290819 is an equidigital number, since it uses as much as digits as its factorization.

749290819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 749290819 is about 27373.1769986606. The cubic root of 749290819 is about 908.2738355739.

The spelling of 749290819 in words is "seven hundred forty-nine million, two hundred ninety thousand, eight hundred nineteen".