4016649797 has 2 divisors, whose sum is σ = 4016649798. Its totient is φ = 4016649796.

The previous prime is 4016649787. The next prime is 4016649803. The reversal of 4016649797 is 7979466104.

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., 4014616321 + 2033476 = 63361^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 4016649797 - 2⁶ = 4016649733 is a prime.

It is a super-2 number, since 2×4016649797² = 32266951183480282418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4016649787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2008324898 + 2008324899.

It is an arithmetic number, because the mean of its divisors is an integer number (2008324899).

Almost surely, 2^4016649797 is an apocalyptic number.

It is an amenable number.

4016649797 is a deficient number, since it is larger than the sum of its proper divisors (1).

4016649797 is an equidigital number, since it uses as much as digits as its factorization.

4016649797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 4016649797 is about 63377.0447165218. The cubic root of 4016649797 is about 1589.6004952009.

The spelling of 4016649797 in words is "four billion, sixteen million, six hundred forty-nine thousand, seven hundred ninety-seven".