719049797 has 2 divisors, whose sum is σ = 719049798. Its totient is φ = 719049796.

The previous prime is 719049767. The next prime is 719049817. The reversal of 719049797 is 797940917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717489796 + 1560001 = 26786^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 719049797 - 2⁶ = 719049733 is a prime.

It is a super-2 number, since 2×719049797² = 1034065221131482418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (719049767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359524898 + 359524899.

It is an arithmetic number, because the mean of its divisors is an integer number (359524899).

Almost surely, 2^719049797 is an apocalyptic number.

It is an amenable number.

719049797 is a deficient number, since it is larger than the sum of its proper divisors (1).

719049797 is an equidigital number, since it uses as much as digits as its factorization.

719049797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000188, while the sum is 53.

The square root of 719049797 is about 26815.1038968713. The cubic root of 719049797 is about 895.8864938625.

The spelling of 719049797 in words is "seven hundred nineteen million, forty-nine thousand, seven hundred ninety-seven".