13421550546 has 12 divisors (see below), whose sum is σ = 29080026222. Its totient is φ = 4473850176.

The previous prime is 13421550529. The next prime is 13421550557. The reversal of 13421550546 is 64505512431.

13421550546 is a `hidden beast` number, since 1 + 34 + 21 + 550 + 54 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7343633025 + 6077917521 = 85695^2 + 77961^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13421550546.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372820831 + ... + 372820866.

Almost surely, 2^13421550546 is an apocalyptic number.

13421550546 is an abundant number, since it is smaller than the sum of its proper divisors (15658475676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13421550546 is a wasteful number, since it uses less digits than its factorization.

13421550546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745641705 (or 745641702 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 13421550546 in words is "thirteen billion, four hundred twenty-one million, five hundred fifty thousand, five hundred forty-six".