1953196730 has 16 divisors (see below), whose sum is σ = 3568229280. Its totient is φ = 769617552.

The previous prime is 1953196717. The next prime is 1953196771. The reversal of 1953196730 is 376913591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456940 + ... + 1458279.

It is an arithmetic number, because the mean of its divisors is an integer number (223014330).

Almost surely, 2^1953196730 is an apocalyptic number.

1953196730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1953196730 is a deficient number, since it is larger than the sum of its proper divisors (1615032550).

1953196730 is a wasteful number, since it uses less digits than its factorization.

1953196730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915293.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 1953196730 is about 44194.9853490190. The cubic root of 1953196730 is about 1250.0153022127.

The spelling of 1953196730 in words is "one billion, nine hundred fifty-three million, one hundred ninety-six thousand, seven hundred thirty".