40035346537 has 2 divisors, whose sum is σ = 40035346538. Its totient is φ = 40035346536.

The previous prime is 40035346531. The next prime is 40035346607. The reversal of 40035346537 is 73564353004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25669166656 + 14366179881 = 160216^2 + 119859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40035346537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40035346537.

It is not a weakly prime, because it can be changed into another prime (40035346531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017673268 + 20017673269.

It is an arithmetic number, because the mean of its divisors is an integer number (20017673269).

Almost surely, 2^40035346537 is an apocalyptic number.

It is an amenable number.

40035346537 is a deficient number, since it is larger than the sum of its proper divisors (1).

40035346537 is an equidigital number, since it uses as much as digits as its factorization.

40035346537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 40035346537 in words is "forty billion, thirty-five million, three hundred forty-six thousand, five hundred thirty-seven".