7630761609 has 6 divisors (see below), whose sum is σ = 11022211226. Its totient is φ = 5087174400.

The previous prime is 7630761577. The next prime is 7630761641. The reversal of 7630761609 is 9061670367.

7630761609 is a `hidden beast` number, since 7 + 6 + 30 + 7 + 6 + 1 + 609 = 666.

It is an interprime number because it is at equal distance from previous prime (7630761577) and next prime (7630761641).

It can be written as a sum of positive squares in only one way, i.e., 4054123584 + 3576638025 = 63672^2 + 59805^2 .

It is not a de Polignac number, because 7630761609 - 2⁵ = 7630761577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7630761709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423931192 + ... + 423931209.

Almost surely, 2^7630761609 is an apocalyptic number.

It is an amenable number.

7630761609 is a deficient number, since it is larger than the sum of its proper divisors (3391449617).

7630761609 is a wasteful number, since it uses less digits than its factorization.

7630761609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847862407 (or 847862404 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 7630761609 is about 87354.2306302334. The cubic root of 7630761609 is about 1968.7442166300.

The spelling of 7630761609 in words is "seven billion, six hundred thirty million, seven hundred sixty-one thousand, six hundred nine".