2756061731 has 2 divisors, whose sum is σ = 2756061732. Its totient is φ = 2756061730.

The previous prime is 2756061713. The next prime is 2756061761. The reversal of 2756061731 is 1371606572.

Together with previous prime (2756061713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2756061731 - 2⁶ = 2756061667 is a prime.

It is a super-2 number, since 2×2756061731² = 15191752530165432722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2756061761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378030865 + 1378030866.

It is an arithmetic number, because the mean of its divisors is an integer number (1378030866).

Almost surely, 2^2756061731 is an apocalyptic number.

2756061731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756061731 is an equidigital number, since it uses as much as digits as its factorization.

2756061731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 2756061731 is about 52498.2069312848. The cubic root of 2756061731 is about 1402.0483164769.

The spelling of 2756061731 in words is "two billion, seven hundred fifty-six million, sixty-one thousand, seven hundred thirty-one".