1481606421 has 16 divisors (see below), whose sum is σ = 2010254400. Its totient is φ = 970495488.

The previous prime is 1481606417. The next prime is 1481606461. The reversal of 1481606421 is 1246061841.

It is not a de Polignac number, because 1481606421 - 2² = 1481606417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481606411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22135 + ... + 58763.

It is an arithmetic number, because the mean of its divisors is an integer number (125640900).

Almost surely, 2^1481606421 is an apocalyptic number.

It is an amenable number.

1481606421 is a deficient number, since it is larger than the sum of its proper divisors (528647979).

1481606421 is a wasteful number, since it uses less digits than its factorization.

1481606421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36868.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1481606421 is about 38491.6409237123. The cubic root of 1481606421 is about 1140.0160100860.

The spelling of 1481606421 in words is "one billion, four hundred eighty-one million, six hundred six thousand, four hundred twenty-one".