1628536941 has 16 divisors (see below), whose sum is σ = 2441718720. Its totient is φ = 1072609200.

The previous prime is 1628536901. The next prime is 1628536951. The reversal of 1628536941 is 1496358261.

1628536941 is a `hidden beast` number, since 1 + 6 + 28 + 536 + 94 + 1 = 666.

It is not a de Polignac number, because 1628536941 - 2¹⁸ = 1628274797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628536901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361110 + ... + 365591.

It is an arithmetic number, because the mean of its divisors is an integer number (152607420).

Almost surely, 2^1628536941 is an apocalyptic number.

It is an amenable number.

1628536941 is a deficient number, since it is larger than the sum of its proper divisors (813181779).

1628536941 is an equidigital number, since it uses as much as digits as its factorization.

1628536941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726793 (or 726787 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1628536941 is about 40355.1352494326. The cubic root of 1628536941 is about 1176.5197033972.

The spelling of 1628536941 in words is "one billion, six hundred twenty-eight million, five hundred thirty-six thousand, nine hundred forty-one".