2445971916 has 24 divisors (see below), whose sum is σ = 6007650880. Its totient is φ = 772412112.

The previous prime is 2445971893. The next prime is 2445971933. The reversal of 2445971916 is 6191795442.

It is a happy number.

It is a super-2 number, since 2×2445971916² = 11965557227721422112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5363746 + ... + 5364201.

Almost surely, 2^2445971916 is an apocalyptic number.

It is an amenable number.

2445971916 is an abundant number, since it is smaller than the sum of its proper divisors (3561678964).

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

2445971916 is a wasteful number, since it uses less digits than its factorization.

2445971916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727973 (or 10727971 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 2445971916 is about 49456.7681515887. The cubic root of 2445971916 is about 1347.3605338681.

The spelling of 2445971916 in words is "two billion, four hundred forty-five million, nine hundred seventy-one thousand, nine hundred sixteen".