1493621682 has 16 divisors (see below), whose sum is σ = 3413992512. Its totient is φ = 426749040.

The previous prime is 1493621671. The next prime is 1493621729. The reversal of 1493621682 is 2861263941.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 35562421 = 1493621682 / (1 + 4 + 9 + 3 + 6 + 2 + 1 + 6 + 8 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17781169 + ... + 17781252.

It is an arithmetic number, because the mean of its divisors is an integer number (213374532).

Almost surely, 2^1493621682 is an apocalyptic number.

1493621682 is an abundant number, since it is smaller than the sum of its proper divisors (1920370830).

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

1493621682 is a wasteful number, since it uses less digits than its factorization.

1493621682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35562433.

The product of its digits is 124416, while the sum is 42.

The square root of 1493621682 is about 38647.4020084145. The cubic root of 1493621682 is about 1143.0894147888.

The spelling of 1493621682 in words is "one billion, four hundred ninety-three million, six hundred twenty-one thousand, six hundred eighty-two".