2540616195097 has 2 divisors, whose sum is σ = 2540616195098. Its totient is φ = 2540616195096.

The previous prime is 2540616194969. The next prime is 2540616195107. The reversal of 2540616195097 is 7905916160452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2321527606336 + 219088588761 = 1523656^2 + 468069^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540616195097 - 2⁷ = 2540616194969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2540616135097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270308097548 + 1270308097549.

It is an arithmetic number, because the mean of its divisors is an integer number (1270308097549).

Almost surely, 2^{2540616195097} is an apocalyptic number.

It is an amenable number.

2540616195097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540616195097 is an equidigital number, since it uses as much as digits as its factorization.

2540616195097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 2540616195097 in words is "two trillion, five hundred forty billion, six hundred sixteen million, one hundred ninety-five thousand, ninety-seven".