1630746002 has 4 divisors (see below), whose sum is σ = 2446119006. Its totient is φ = 815373000.

The previous prime is 1630745993. The next prime is 1630746011. The reversal of 1630746002 is 2006470361.

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

It is an interprime number because it is at equal distance from previous prime (1630745993) and next prime (1630746011).

It can be written as a sum of positive squares in only one way, i.e., 1440278401 + 190467601 = 37951^2 + 13801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407686499 + ... + 407686502.

Almost surely, 2^1630746002 is an apocalyptic number.

1630746002 is a deficient number, since it is larger than the sum of its proper divisors (815373004).

1630746002 is an equidigital number, since it uses as much as digits as its factorization.

1630746002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815373003.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1630746002 is about 40382.4962328977. The cubic root of 1630746002 is about 1177.0514341500.

The spelling of 1630746002 in words is "one billion, six hundred thirty million, seven hundred forty-six thousand, two".