1949786470 has 8 divisors (see below), whose sum is σ = 3509615664. Its totient is φ = 779914584.

The previous prime is 1949786459. The next prime is 1949786471. The reversal of 1949786470 is 746879491.

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 (1949786471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97489314 + ... + 97489333.

It is an arithmetic number, because the mean of its divisors is an integer number (438701958).

Almost surely, 2^1949786470 is an apocalyptic number.

1949786470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949786470 is a deficient number, since it is larger than the sum of its proper divisors (1559829194).

1949786470 is a wasteful number, since it uses less digits than its factorization.

1949786470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194978654.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 1949786470 is about 44156.3865142971. The cubic root of 1949786470 is about 1249.2873740753.

The spelling of 1949786470 in words is "one billion, nine hundred forty-nine million, seven hundred eighty-six thousand, four hundred seventy".