5721951651 has 8 divisors (see below), whose sum is σ = 8216135760. Its totient is φ = 3521200992.

The previous prime is 5721951637. The next prime is 5721951659. The reversal of 5721951651 is 1561591275.

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

It is not a de Polignac number, because 5721951651 - 2¹³ = 5721943459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5721951659) 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, 73358316 + ... + 73358393.

It is an arithmetic number, because the mean of its divisors is an integer number (1027016970).

Almost surely, 2^5721951651 is an apocalyptic number.

5721951651 is a deficient number, since it is larger than the sum of its proper divisors (2494184109).

5721951651 is a wasteful number, since it uses less digits than its factorization.

5721951651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146716725.

The product of its digits is 94500, while the sum is 42.

The square root of 5721951651 is about 75643.5830127050. The cubic root of 5721951651 is about 1788.6061838772.

The spelling of 5721951651 in words is "five billion, seven hundred twenty-one million, nine hundred fifty-one thousand, six hundred fifty-one".