1682649031 has 16 divisors (see below), whose sum is σ = 1993033728. Its totient is φ = 1390140000.

The previous prime is 1682648977. The next prime is 1682649043. The reversal of 1682649031 is 1309462861.

It is a cyclic number.

It is not a de Polignac number, because 1682649031 - 2¹⁵ = 1682616263 is a prime.

It is a super-2 number, since 2×1682649031² = 5662615523050477922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682649091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39021 + ... + 69913.

It is an arithmetic number, because the mean of its divisors is an integer number (124564608).

Almost surely, 2^1682649031 is an apocalyptic number.

1682649031 is a deficient number, since it is larger than the sum of its proper divisors (310384697).

1682649031 is a wasteful number, since it uses less digits than its factorization.

1682649031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31182.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1682649031 is about 41020.1052046432. The cubic root of 1682649031 is about 1189.4088891570.

The spelling of 1682649031 in words is "one billion, six hundred eighty-two million, six hundred forty-nine thousand, thirty-one".