4906778131 has 2 divisors, whose sum is σ = 4906778132. Its totient is φ = 4906778130.

The previous prime is 4906778081. The next prime is 4906778141. The reversal of 4906778131 is 1318776094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4906778131 - 2⁷ = 4906778003 is a prime.

It is a super-2 number, since 2×4906778131² = 48152943253719706322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4906778141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2453389065 + 2453389066.

It is an arithmetic number, because the mean of its divisors is an integer number (2453389066).

Almost surely, 2^4906778131 is an apocalyptic number.

4906778131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4906778131 is an equidigital number, since it uses as much as digits as its factorization.

4906778131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 4906778131 is about 70048.3984899013. The cubic root of 4906778131 is about 1699.2820648988.

The spelling of 4906778131 in words is "four billion, nine hundred six million, seven hundred seventy-eight thousand, one hundred thirty-one".