1493526685 has 16 divisors (see below), whose sum is σ = 2053863936. Its totient is φ = 1021333248.

The previous prime is 1493526647. The next prime is 1493526691. The reversal of 1493526685 is 5866253941.

It is a cyclic number.

It is not a de Polignac number, because 1493526685 - 2⁹ = 1493526173 is a prime.

It is a super-4 number, since 4×1493526685⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45292 + ... + 70981.

It is an arithmetic number, because the mean of its divisors is an integer number (128366496).

Almost surely, 2^1493526685 is an apocalyptic number.

It is an amenable number.

1493526685 is a deficient number, since it is larger than the sum of its proper divisors (560337251).

1493526685 is a wasteful number, since it uses less digits than its factorization.

1493526685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116652.

The product of its digits is 1555200, while the sum is 49.

The square root of 1493526685 is about 38646.1729670610. The cubic root of 1493526685 is about 1143.0651801006.

The spelling of 1493526685 in words is "one billion, four hundred ninety-three million, five hundred twenty-six thousand, six hundred eighty-five".