2101433451 has 8 divisors (see below), whose sum is σ = 3017442960. Its totient is φ = 1293189792.

The previous prime is 2101433443. The next prime is 2101433471. The reversal of 2101433451 is 1543341012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101433451 - 2³ = 2101433443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101433401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26941416 + ... + 26941493.

It is an arithmetic number, because the mean of its divisors is an integer number (377180370).

Almost surely, 2^2101433451 is an apocalyptic number.

2101433451 is a deficient number, since it is larger than the sum of its proper divisors (916009509).

2101433451 is a wasteful number, since it uses less digits than its factorization.

2101433451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53882925.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2101433451 is about 45841.3945141288. The cubic root of 2101433451 is about 1280.8704713327.

Adding to 2101433451 its reverse (1543341012), we get a palindrome (3644774463).

The spelling of 2101433451 in words is "two billion, one hundred one million, four hundred thirty-three thousand, four hundred fifty-one".