2101513472 has 18 divisors (see below), whose sum is σ = 4194818418. Its totient is φ = 1050756608.

The previous prime is 2101513409. The next prime is 2101513481. The reversal of 2101513472 is 2743151012.

It can be written as a sum of positive squares in only one way, i.e., 2095442176 + 6071296 = 45776^2 + 2464^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104263 + ... + 4104774.

Almost surely, 2^2101513472 is an apocalyptic number.

It is an amenable number.

2101513472 is a deficient number, since it is larger than the sum of its proper divisors (2093304946).

2101513472 is an frugal number, since it uses more digits than its factorization.

2101513472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209053 (or 8209039 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2101513472 is about 45842.2673086749. The cubic root of 2101513472 is about 1280.8867293200.

Adding to 2101513472 its reverse (2743151012), we get a palindrome (4844664484).

The spelling of 2101513472 in words is "two billion, one hundred one million, five hundred thirteen thousand, four hundred seventy-two".