1636428314 has 16 divisors (see below), whose sum is σ = 2584762080. Its totient is φ = 774871920.

The previous prime is 1636428293. The next prime is 1636428317. The reversal of 1636428314 is 4138246361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1636428317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132524 + ... + 144344.

It is an arithmetic number, because the mean of its divisors is an integer number (161547630).

Almost surely, 2^1636428314 is an apocalyptic number.

1636428314 is a deficient number, since it is larger than the sum of its proper divisors (948333766).

1636428314 is a wasteful number, since it uses less digits than its factorization.

1636428314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15485.

The product of its digits is 82944, while the sum is 38.

The square root of 1636428314 is about 40452.7911768768. The cubic root of 1636428314 is about 1178.4169891310.

The spelling of 1636428314 in words is "one billion, six hundred thirty-six million, four hundred twenty-eight thousand, three hundred fourteen".