1630025642 has 8 divisors (see below), whose sum is σ = 2794329696. Its totient is φ = 698582412.

The previous prime is 1630025641. The next prime is 1630025689. The reversal of 1630025642 is 2465200361.

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

It is not an unprimeable number, because it can be changed into a prime (1630025641) 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, 58215188 + ... + 58215215.

It is an arithmetic number, because the mean of its divisors is an integer number (349291212).

Almost surely, 2^1630025642 is an apocalyptic number.

1630025642 is a deficient number, since it is larger than the sum of its proper divisors (1164304054).

1630025642 is a wasteful number, since it uses less digits than its factorization.

1630025642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116430412.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1630025642 is about 40373.5760368090. The cubic root of 1630025642 is about 1176.8780931044.

The spelling of 1630025642 in words is "one billion, six hundred thirty million, twenty-five thousand, six hundred forty-two".