9699049651 has 2 divisors, whose sum is σ = 9699049652. Its totient is φ = 9699049650.

The previous prime is 9699049637. The next prime is 9699049727. The reversal of 9699049651 is 1569409969.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9699049651 - 2⁷ = 9699049523 is a prime.

It is not a weakly prime, because it can be changed into another prime (9699049601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4849524825 + 4849524826.

It is an arithmetic number, because the mean of its divisors is an integer number (4849524826).

Almost surely, 2^9699049651 is an apocalyptic number.

9699049651 is a deficient number, since it is larger than the sum of its proper divisors (1).

9699049651 is an equidigital number, since it uses as much as digits as its factorization.

9699049651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4723920, while the sum is 58.

The square root of 9699049651 is about 98483.7532337187. The cubic root of 9699049651 is about 2132.6015843660.

It can be divided in two parts, 96990 and 49651, that added together give a palindrome (146641).

The spelling of 9699049651 in words is "nine billion, six hundred ninety-nine million, forty-nine thousand, six hundred fifty-one".