719953949 has 16 divisors (see below), whose sum is σ = 847049280. Its totient is φ = 603279360.

The previous prime is 719953933. The next prime is 719953979. The reversal of 719953949 is 949359917.

It is a cyclic number.

It is not a de Polignac number, because 719953949 - 2⁴ = 719953933 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 719953894 and 719953903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719953919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106694 + ... + 113240.

It is an arithmetic number, because the mean of its divisors is an integer number (52940580).

Almost surely, 2^719953949 is an apocalyptic number.

It is an amenable number.

719953949 is a deficient number, since it is larger than the sum of its proper divisors (127095331).

719953949 is a wasteful number, since it uses less digits than its factorization.

719953949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340.

The product of its digits is 2755620, while the sum is 56.

The square root of 719953949 is about 26831.9576065557. The cubic root of 719953949 is about 896.2618402772.

The spelling of 719953949 in words is "seven hundred nineteen million, nine hundred fifty-three thousand, nine hundred forty-nine".