1486621690 has 8 divisors (see below), whose sum is σ = 2675919060. Its totient is φ = 594648672.

The previous prime is 1486621687. The next prime is 1486621699. The reversal of 1486621690 is 961266841.

It can be written as a sum of positive squares in 2 ways, for example, as 1485562849 + 1058841 = 38543^2 + 1029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1486621690² = 4420088098356912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1486621699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74331075 + ... + 74331094.

Almost surely, 2^1486621690 is an apocalyptic number.

1486621690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1486621690 is a deficient number, since it is larger than the sum of its proper divisors (1189297370).

1486621690 is a wasteful number, since it uses less digits than its factorization.

1486621690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148662176.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1486621690 is about 38556.7333937926. The cubic root of 1486621690 is about 1141.3008874793.

The spelling of 1486621690 in words is "one billion, four hundred eighty-six million, six hundred twenty-one thousand, six hundred ninety".