1949159670 has 32 divisors (see below), whose sum is σ = 4694533632. Its totient is φ = 517936992.

The previous prime is 1949159651. The next prime is 1949159683. The reversal of 1949159670 is 769519491.

It is a congruent number.

It is an unprimeable number.

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, 106302 + ... + 123281.

It is an arithmetic number, because the mean of its divisors is an integer number (146704176).

Almost surely, 2^1949159670 is an apocalyptic number.

1949159670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949159670 is an abundant number, since it is smaller than the sum of its proper divisors (2745373962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949159670 is a wasteful number, since it uses less digits than its factorization.

1949159670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229876.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 1949159670 is about 44149.2884427371. The cubic root of 1949159670 is about 1249.1534897991.

The spelling of 1949159670 in words is "one billion, nine hundred forty-nine million, one hundred fifty-nine thousand, six hundred seventy".