10221746545 has 8 divisors (see below), whose sum is σ = 12267075240. Its totient is φ = 8176744320.

The previous prime is 10221746539. The next prime is 10221746567. The reversal of 10221746545 is 54564712201.

It can be written as a sum of positive squares in 4 ways, for example, as 916636176 + 9305110369 = 30276^2 + 96463^2 .

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

It is not a de Polignac number, because 10221746545 - 2³ = 10221746537 is a prime.

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, 6436 + ... + 143125.

It is an arithmetic number, because the mean of its divisors is an integer number (1533384405).

Almost surely, 2^10221746545 is an apocalyptic number.

It is an amenable number.

10221746545 is a deficient number, since it is larger than the sum of its proper divisors (2045328695).

10221746545 is a wasteful number, since it uses less digits than its factorization.

10221746545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163235.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 10221746545 in words is "ten billion, two hundred twenty-one million, seven hundred forty-six thousand, five hundred forty-five".