1949022770 has 8 divisors (see below), whose sum is σ = 3508241004. Its totient is φ = 779609104.

The previous prime is 1949022769. The next prime is 1949022791. The reversal of 1949022770 is 772209491.

It can be written as a sum of positive squares in 2 ways, for example, as 1945956769 + 3066001 = 44113^2 + 1751^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97451129 + ... + 97451148.

Almost surely, 2^1949022770 is an apocalyptic number.

1949022770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1949022770 is a deficient number, since it is larger than the sum of its proper divisors (1559218234).

1949022770 is a wasteful number, since it uses less digits than its factorization.

1949022770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194902284.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1949022770 is about 44147.7379941487. The cubic root of 1949022770 is about 1249.1242441847.

The spelling of 1949022770 in words is "one billion, nine hundred forty-nine million, twenty-two thousand, seven hundred seventy".