1953630770 has 32 divisors (see below), whose sum is σ = 4328045568. Its totient is φ = 618291648.

The previous prime is 1953630761. The next prime is 1953630773. The reversal of 1953630770 is 770363591.

It is not an unprimeable number, because it can be changed into a prime (1953630773) 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 15 ways as a sum of consecutive naturals, for example, 1072514 + ... + 1074333.

It is an arithmetic number, because the mean of its divisors is an integer number (135251424).

Almost surely, 2^1953630770 is an apocalyptic number.

1953630770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1953630770 is an abundant number, since it is smaller than the sum of its proper divisors (2374414798).

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

1953630770 is a wasteful number, since it uses less digits than its factorization.

1953630770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146874.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 1953630770 is about 44199.8955881120. The cubic root of 1953630770 is about 1250.1078882878.

The spelling of 1953630770 in words is "one billion, nine hundred fifty-three million, six hundred thirty thousand, seven hundred seventy".