1953904492 has 24 divisors (see below), whose sum is σ = 3496421376. Its totient is φ = 954978768.

The previous prime is 1953904483. The next prime is 1953904499. The reversal of 1953904492 is 2944093591.

It is not an unprimeable number, because it can be changed into a prime (1953904499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156223 + ... + 168265.

It is an arithmetic number, because the mean of its divisors is an integer number (145684224).

Almost surely, 2^1953904492 is an apocalyptic number.

It is an amenable number.

1953904492 is a deficient number, since it is larger than the sum of its proper divisors (1542516884).

1953904492 is a wasteful number, since it uses less digits than its factorization.

1953904492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957 (or 12955 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 1953904492 is about 44202.9918896900. The cubic root of 1953904492 is about 1250.1662695092.

The spelling of 1953904492 in words is "one billion, nine hundred fifty-three million, nine hundred four thousand, four hundred ninety-two".