3629447497469 has 2 divisors, whose sum is σ = 3629447497470. Its totient is φ = 3629447497468.

The previous prime is 3629447497463. The next prime is 3629447497499. The reversal of 3629447497469 is 9647947449263.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3050394985444 + 579052512025 = 1746538^2 + 760955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3629447497469 is a prime.

It is a super-2 number, since 2×3629447497469² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3629447497396 and 3629447497405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3629447497463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814723748734 + 1814723748735.

It is an arithmetic number, because the mean of its divisors is an integer number (1814723748735).

Almost surely, 2^{3629447497469} is an apocalyptic number.

It is an amenable number.

3629447497469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3629447497469 is an equidigital number, since it uses as much as digits as its factorization.

3629447497469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975228416, while the sum is 74.

The spelling of 3629447497469 in words is "three trillion, six hundred twenty-nine billion, four hundred forty-seven million, four hundred ninety-seven thousand, four hundred sixty-nine".