6132473981 has 4 divisors (see below), whose sum is σ = 6132641532. Its totient is φ = 6132306432.

The previous prime is 6132473959. The next prime is 6132474001. The reversal of 6132473981 is 1893742316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1097861956 + 5034612025 = 33134^2 + 70955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6132473981 is a prime.

It is a super-2 number, since 2×6132473981² = 75214474255283976722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6132473911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756 + ... + 110781.

It is an arithmetic number, because the mean of its divisors is an integer number (1533160383).

Almost surely, 2^6132473981 is an apocalyptic number.

It is an amenable number.

6132473981 is a deficient number, since it is larger than the sum of its proper divisors (167551).

6132473981 is a wasteful number, since it uses less digits than its factorization.

6132473981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167550.

The product of its digits is 217728, while the sum is 44.

The square root of 6132473981 is about 78310.1141679668. The cubic root of 6132473981 is about 1830.3967588079.

The spelling of 6132473981 in words is "six billion, one hundred thirty-two million, four hundred seventy-three thousand, nine hundred eighty-one".