1493867061 has 12 divisors (see below), whose sum is σ = 2284738092. Its totient is φ = 937328256.

The previous prime is 1493867059. The next prime is 1493867071. The reversal of 1493867061 is 1607683941.

It is a happy number.

1493867061 is a `hidden beast` number, since 149 + 386 + 70 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1201662225 + 292204836 = 34665^2 + 17094^2 .

It is not a de Polignac number, because 1493867061 - 2¹ = 1493867059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1493866998 and 1493867016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493867071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4881766 + ... + 4882071.

It is an arithmetic number, because the mean of its divisors is an integer number (190394841).

Almost surely, 2^1493867061 is an apocalyptic number.

It is an amenable number.

1493867061 is a deficient number, since it is larger than the sum of its proper divisors (790871031).

1493867061 is a wasteful number, since it uses less digits than its factorization.

1493867061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9763860 (or 9763857 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1493867061 is about 38650.5764640063. The cubic root of 1493867061 is about 1143.1520086800.

The spelling of 1493867061 in words is "one billion, four hundred ninety-three million, eight hundred sixty-seven thousand, sixty-one".