15650061437 has 2 divisors, whose sum is σ = 15650061438. Its totient is φ = 15650061436.

The previous prime is 15650061313. The next prime is 15650061463. The reversal of 15650061437 is 73416005651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12583006276 + 3067055161 = 112174^2 + 55381^2 .

It is an emirp because it is prime and its reverse (73416005651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15650061437 - 2¹⁶ = 15649995901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15650061437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15650061137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7825030718 + 7825030719.

It is an arithmetic number, because the mean of its divisors is an integer number (7825030719).

Almost surely, 2^15650061437 is an apocalyptic number.

It is an amenable number.

15650061437 is a deficient number, since it is larger than the sum of its proper divisors (1).

15650061437 is an equidigital number, since it uses as much as digits as its factorization.

15650061437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 15650061437 in words is "fifteen billion, six hundred fifty million, sixty-one thousand, four hundred thirty-seven".