1949475910 has 8 divisors (see below), whose sum is σ = 3509056656. Its totient is φ = 779790360.

The previous prime is 1949475859. The next prime is 1949475911. The reversal of 1949475910 is 195749491.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949475911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97473786 + ... + 97473805.

It is an arithmetic number, because the mean of its divisors is an integer number (438632082).

Almost surely, 2^1949475910 is an apocalyptic number.

1949475910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949475910 is a deficient number, since it is larger than the sum of its proper divisors (1559580746).

1949475910 is a wasteful number, since it uses less digits than its factorization.

1949475910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194947598.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1949475910 is about 44152.8697821557. The cubic root of 1949475910 is about 1249.2210421472.

The spelling of 1949475910 in words is "one billion, nine hundred forty-nine million, four hundred seventy-five thousand, nine hundred ten".