2537790137873 has 2 divisors, whose sum is σ = 2537790137874. Its totient is φ = 2537790137872.

The previous prime is 2537790137851. The next prime is 2537790137921. The reversal of 2537790137873 is 3787310977352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2309159846464 + 228630291409 = 1519592^2 + 478153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2537790137873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2537790137843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268895068936 + 1268895068937.

It is an arithmetic number, because the mean of its divisors is an integer number (1268895068937).

Almost surely, 2^{2537790137873} is an apocalyptic number.

It is an amenable number.

2537790137873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2537790137873 is an equidigital number, since it uses as much as digits as its factorization.

2537790137873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46675440, while the sum is 62.

The spelling of 2537790137873 in words is "two trillion, five hundred thirty-seven billion, seven hundred ninety million, one hundred thirty-seven thousand, eight hundred seventy-three".