2040742537 has 2 divisors, whose sum is σ = 2040742538. Its totient is φ = 2040742536.

The previous prime is 2040742531. The next prime is 2040742573. The reversal of 2040742537 is 7352470402.

Together with next prime (2040742573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909777401 + 130965136 = 43701^2 + 11444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040742537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040742531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020371268 + 1020371269.

It is an arithmetic number, because the mean of its divisors is an integer number (1020371269).

Almost surely, 2^2040742537 is an apocalyptic number.

It is an amenable number.

2040742537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040742537 is an equidigital number, since it uses as much as digits as its factorization.

2040742537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 2040742537 is about 45174.5784374354. The cubic root of 2040742537 is about 1268.4190004816.

The spelling of 2040742537 in words is "two billion, forty million, seven hundred forty-two thousand, five hundred thirty-seven".