13406625437 has 8 divisors (see below), whose sum is σ = 13441250592. Its totient is φ = 13372025200.

The previous prime is 13406625373. The next prime is 13406625443. The reversal of 13406625437 is 73452660431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13406625437 - 2⁶ = 13406625373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13406625394 and 13406625403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406625467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549718 + ... + 1558344.

It is an arithmetic number, because the mean of its divisors is an integer number (1680156324).

Almost surely, 2^13406625437 is an apocalyptic number.

It is an amenable number.

13406625437 is a deficient number, since it is larger than the sum of its proper divisors (34625155).

13406625437 is an equidigital number, since it uses as much as digits as its factorization.

13406625437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 13406625437 in words is "thirteen billion, four hundred six million, six hundred twenty-five thousand, four hundred thirty-seven".