6469101972 has 36 divisors (see below), whose sum is σ = 16620530836. Its totient is φ = 2121016320.

The previous prime is 6469101929. The next prime is 6469101973. The reversal of 6469101972 is 2791019646.

It can be written as a sum of positive squares in 2 ways, for example, as 1877142276 + 4591959696 = 43326^2 + 67764^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469101973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1470733 + ... + 1475124.

Almost surely, 2^6469101972 is an apocalyptic number.

It is an amenable number.

6469101972 is an abundant number, since it is smaller than the sum of its proper divisors (10151428864).

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

6469101972 is a wasteful number, since it uses less digits than its factorization.

6469101972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945928 (or 2945923 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 6469101972 is about 80430.7277848460. The cubic root of 6469101972 is about 1863.2937718445.

The spelling of 6469101972 in words is "six billion, four hundred sixty-nine million, one hundred one thousand, nine hundred seventy-two".