37286640247 has 2 divisors, whose sum is σ = 37286640248. Its totient is φ = 37286640246.

The previous prime is 37286640199. The next prime is 37286640253. The reversal of 37286640247 is 74204668273.

It is a strong prime.

It is an emirp because it is prime and its reverse (74204668273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37286640247 - 2²³ = 37278251639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 37286640247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37286640847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18643320123 + 18643320124.

It is an arithmetic number, because the mean of its divisors is an integer number (18643320124).

Almost surely, 2^37286640247 is an apocalyptic number.

37286640247 is a deficient number, since it is larger than the sum of its proper divisors (1).

37286640247 is an equidigital number, since it uses as much as digits as its factorization.

37286640247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 37286640247 in words is "thirty-seven billion, two hundred eighty-six million, six hundred forty thousand, two hundred forty-seven".