7426996649 has 2 divisors, whose sum is σ = 7426996650. Its totient is φ = 7426996648.

The previous prime is 7426996613. The next prime is 7426996693. The reversal of 7426996649 is 9466996247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6708756649 + 718240000 = 81907^2 + 26800^2 .

It is an emirp because it is prime and its reverse (9466996247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7426996649 - 2¹² = 7426992553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7426996591 and 7426996600.

It is not a weakly prime, because it can be changed into another prime (7426992649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713498324 + 3713498325.

It is an arithmetic number, because the mean of its divisors is an integer number (3713498325).

Almost surely, 2^7426996649 is an apocalyptic number.

It is an amenable number.

7426996649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7426996649 is an equidigital number, since it uses as much as digits as its factorization.

7426996649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 62.

The square root of 7426996649 is about 86180.0246518879. The cubic root of 7426996649 is about 1951.0620249489.

The spelling of 7426996649 in words is "seven billion, four hundred twenty-six million, nine hundred ninety-six thousand, six hundred forty-nine".