1493740698 has 16 divisors (see below), whose sum is σ = 2988115680. Its totient is φ = 497807856.

The previous prime is 1493740693. The next prime is 1493740709. The reversal of 1493740698 is 8960473941.

It is a super-2 number, since 2×1493740698² = 4462522545723054408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1493740698.

It is not an unprimeable number, because it can be changed into a prime (1493740693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7548 + ... + 55176.

It is an arithmetic number, because the mean of its divisors is an integer number (186757230).

Almost surely, 2^1493740698 is an apocalyptic number.

1493740698 is an abundant number, since it is smaller than the sum of its proper divisors (1494374982).

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

1493740698 is a wasteful number, since it uses less digits than its factorization.

1493740698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52861.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1493740698 is about 38648.9417448913. The cubic root of 1493740698 is about 1143.1197755150.

The spelling of 1493740698 in words is "one billion, four hundred ninety-three million, seven hundred forty thousand, six hundred ninety-eight".