20141765437 has 2 divisors, whose sum is σ = 20141765438. Its totient is φ = 20141765436.

The previous prime is 20141765431. The next prime is 20141765453. The reversal of 20141765437 is 73456714102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19424275641 + 717489796 = 139371^2 + 26786^2 .

It is a cyclic number.

It is not a de Polignac number, because 20141765437 - 2²³ = 20133376829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20141765437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20141765431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070882718 + 10070882719.

It is an arithmetic number, because the mean of its divisors is an integer number (10070882719).

Almost surely, 2^20141765437 is an apocalyptic number.

It is an amenable number.

20141765437 is a deficient number, since it is larger than the sum of its proper divisors (1).

20141765437 is an equidigital number, since it uses as much as digits as its factorization.

20141765437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20141765437 in words is "twenty billion, one hundred forty-one million, seven hundred sixty-five thousand, four hundred thirty-seven".