3625547556497 has 2 divisors, whose sum is σ = 3625547556498. Its totient is φ = 3625547556496.

The previous prime is 3625547556443. The next prime is 3625547556619. The reversal of 3625547556497 is 7946557455263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3624724784641 + 822771856 = 1903871^2 + 28684^2 .

It is a cyclic number.

It is not a de Polignac number, because 3625547556497 - 2¹² = 3625547552401 is a prime.

It is a super-2 number, since 2×3625547556497² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3625547756497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812773778248 + 1812773778249.

It is an arithmetic number, because the mean of its divisors is an integer number (1812773778249).

Almost surely, 2^{3625547556497} is an apocalyptic number.

It is an amenable number.

3625547556497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625547556497 is an equidigital number, since it uses as much as digits as its factorization.

3625547556497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560000, while the sum is 68.

The spelling of 3625547556497 in words is "three trillion, six hundred twenty-five billion, five hundred forty-seven million, five hundred fifty-six thousand, four hundred ninety-seven".