7730699949 has 12 divisors (see below), whose sum is σ = 12761790496. Its totient is φ = 4417542792.

The previous prime is 7730699881. The next prime is 7730699957. The reversal of 7730699949 is 9499960377.

It is not a de Polignac number, because 7730699949 - 2¹⁶ = 7730634413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 122709523 = 7730699949 / (7 + 7 + 3 + 0 + 6 + 9 + 9 + 9 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7730699149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61354699 + ... + 61354824.

Almost surely, 2^7730699949 is an apocalyptic number.

It is an amenable number.

7730699949 is a deficient number, since it is larger than the sum of its proper divisors (5031090547).

7730699949 is a wasteful number, since it uses less digits than its factorization.

7730699949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122709536 (or 122709533 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The square root of 7730699949 is about 87924.3990539600. The cubic root of 7730699949 is about 1977.3016971454.

The spelling of 7730699949 in words is "seven billion, seven hundred thirty million, six hundred ninety-nine thousand, nine hundred forty-nine".