37438964573 has 2 divisors, whose sum is σ = 37438964574. Its totient is φ = 37438964572.

The previous prime is 37438964569. The next prime is 37438964611. The reversal of 37438964573 is 37546983473.

37438964573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29048770969 + 8390193604 = 170437^2 + 91598^2 .

It is a cyclic number.

It is not a de Polignac number, because 37438964573 - 2² = 37438964569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37438964503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18719482286 + 18719482287.

It is an arithmetic number, because the mean of its divisors is an integer number (18719482287).

Almost surely, 2^37438964573 is an apocalyptic number.

It is an amenable number.

37438964573 is a deficient number, since it is larger than the sum of its proper divisors (1).

37438964573 is an equidigital number, since it uses as much as digits as its factorization.

37438964573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 59.

The spelling of 37438964573 in words is "thirty-seven billion, four hundred thirty-eight million, nine hundred sixty-four thousand, five hundred seventy-three".