1630746001 has 4 divisors (see below), whose sum is σ = 1657479604. Its totient is φ = 1604012400.

The previous prime is 1630745993. The next prime is 1630746011. The reversal of 1630746001 is 1006470361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46785600 + 1583960401 = 6840^2 + 39799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630746001 - 2³ = 1630745993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630746011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13366710 + ... + 13366831.

It is an arithmetic number, because the mean of its divisors is an integer number (414369901).

Almost surely, 2^1630746001 is an apocalyptic number.

It is an amenable number.

1630746001 is a deficient number, since it is larger than the sum of its proper divisors (26733603).

1630746001 is an equidigital number, since it uses as much as digits as its factorization.

1630746001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26733602.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1630746001 is about 40382.4962205161. The cubic root of 1630746001 is about 1177.0514339094.

The spelling of 1630746001 in words is "one billion, six hundred thirty million, seven hundred forty-six thousand, one".