3709625520373 has 2 divisors, whose sum is σ = 3709625520374. Its totient is φ = 3709625520372.

The previous prime is 3709625520347. The next prime is 3709625520443. The reversal of 3709625520373 is 3730255269073.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2972531154609 + 737094365764 = 1724103^2 + 858542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3709625520373 is a prime.

It is a super-2 number, since 2×3709625520373² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3709625520373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3709625520343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1854812760186 + 1854812760187.

It is an arithmetic number, because the mean of its divisors is an integer number (1854812760187).

Almost surely, 2^{3709625520373} is an apocalyptic number.

It is an amenable number.

3709625520373 is a deficient number, since it is larger than the sum of its proper divisors (1).

3709625520373 is an equidigital number, since it uses as much as digits as its factorization.

3709625520373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7144200, while the sum is 52.

The spelling of 3709625520373 in words is "three trillion, seven hundred nine billion, six hundred twenty-five million, five hundred twenty thousand, three hundred seventy-three".