6430761155 has 32 divisors (see below), whose sum is σ = 9718646784. Its totient is φ = 3975785856.

The previous prime is 6430761137. The next prime is 6430761167. The reversal of 6430761155 is 5511670346.

It is not a de Polignac number, because 6430761155 - 2⁸ = 6430760899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144779 + ... + 183908.

It is an arithmetic number, because the mean of its divisors is an integer number (303707712).

Almost surely, 2^6430761155 is an apocalyptic number.

6430761155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6430761155 is a deficient number, since it is larger than the sum of its proper divisors (3287885629).

6430761155 is a wasteful number, since it uses less digits than its factorization.

6430761155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328755.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 6430761155 is about 80192.0267545346. The cubic root of 6430761155 is about 1859.6053769321.

The spelling of 6430761155 in words is "six billion, four hundred thirty million, seven hundred sixty-one thousand, one hundred fifty-five".