3637406073969 has 12 divisors (see below), whose sum is σ = 5254078082500. Its totient is φ = 2424915650304.

The previous prime is 3637406073967. The next prime is 3637406073971. The reversal of 3637406073969 is 9693706047363.

It is an interprime number because it is at equal distance from previous prime (3637406073967) and next prime (3637406073971).

It can be written as a sum of positive squares in 2 ways, for example, as 1039145778225 + 2598260295744 = 1019385^2 + 1611912^2 .

It is not a de Polignac number, because 3637406073969 - 2¹ = 3637406073967 is a prime.

It is a super-2 number, since 2×3637406073969² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3637406073967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716164 + ... + 2790645.

Almost surely, 2^{3637406073969} is an apocalyptic number.

It is an amenable number.

3637406073969 is a deficient number, since it is larger than the sum of its proper divisors (1616672008531).

3637406073969 is a wasteful number, since it uses less digits than its factorization.

3637406073969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622064 (or 3622061 counting only the distinct ones).

The product of its (nonzero) digits is 92588832, while the sum is 63.

The spelling of 3637406073969 in words is "three trillion, six hundred thirty-seven billion, four hundred six million, seventy-three thousand, nine hundred sixty-nine".