1973849472 has 160 divisors (see below), whose sum is σ = 6713554320. Its totient is φ = 563936256.

The previous prime is 1973849431. The next prime is 1973849483. The reversal of 1973849472 is 2749483791.

1973849472 is a `hidden beast` number, since 1 + 97 + 3 + 84 + 9 + 472 = 666.

It is a super-2 number, since 2×1973849472² = 7792163476229357568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 58978 + ... + 86174.

Almost surely, 2^1973849472 is an apocalyptic number.

1973849472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1973849472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3356777160).

1973849472 is an abundant number, since it is smaller than the sum of its proper divisors (4739704848).

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

1973849472 is an equidigital number, since it uses as much as digits as its factorization.

1973849472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27230 (or 27209 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 1973849472 is about 44428.0257495199. The cubic root of 1973849472 is about 1254.4056744763.

The spelling of 1973849472 in words is "one billion, nine hundred seventy-three million, eight hundred forty-nine thousand, four hundred seventy-two".