1953488500 has 24 divisors (see below), whose sum is σ = 4266419976. Its totient is φ = 781395200.

The previous prime is 1953488497. The next prime is 1953488507. The reversal of 1953488500 is 58843591.

It can be written as a sum of positive squares in 4 ways, for example, as 46594276 + 1906894224 = 6826^2 + 43668^2 .

It is a super-2 number, since 2×1953488500² = 7632234639264500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953488507) 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, 1952989 + ... + 1953988.

It is an arithmetic number, because the mean of its divisors is an integer number (177767499).

Almost surely, 2^1953488500 is an apocalyptic number.

1953488500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1953488500 is an abundant number, since it is smaller than the sum of its proper divisors (2312931476).

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

1953488500 is a wasteful number, since it uses less digits than its factorization.

1953488500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906996 (or 3906984 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 1953488500 is about 44198.2861658685. The cubic root of 1953488500 is about 1250.0775418564.

The spelling of 1953488500 in words is "one billion, nine hundred fifty-three million, four hundred eighty-eight thousand, five hundred".