1810464481 has 16 divisors (see below), whose sum is σ = 2173390848. Its totient is φ = 1474506000.

The previous prime is 1810464479. The next prime is 1810464587. The reversal of 1810464481 is 1844640181.

It is a cyclic number.

It is not a de Polignac number, because 1810464481 - 2¹ = 1810464479 is a prime.

It is a super-2 number, since 2×1810464481² = 6555563273925198722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1810464481.

It is not an unprimeable number, because it can be changed into a prime (1810464431) 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, 12925 + ... + 61546.

It is an arithmetic number, because the mean of its divisors is an integer number (135836928).

Almost surely, 2^1810464481 is an apocalyptic number.

It is an amenable number.

1810464481 is a deficient number, since it is larger than the sum of its proper divisors (362926367).

1810464481 is a wasteful number, since it uses less digits than its factorization.

1810464481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74652.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 1810464481 is about 42549.5532408978. The cubic root of 1810464481 is about 1218.7931452059.

The spelling of 1810464481 in words is "one billion, eight hundred ten million, four hundred sixty-four thousand, four hundred eighty-one".