1641460742 has 4 divisors (see below), whose sum is σ = 2462191116. Its totient is φ = 820730370.

The previous prime is 1641460741. The next prime is 1641460763. The reversal of 1641460742 is 2470641461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641460741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410365184 + ... + 410365187.

It is an arithmetic number, because the mean of its divisors is an integer number (615547779).

Almost surely, 2^1641460742 is an apocalyptic number.

1641460742 is a deficient number, since it is larger than the sum of its proper divisors (820730374).

1641460742 is an equidigital number, since it uses as much as digits as its factorization.

1641460742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820730373.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1641460742 is about 40514.9446747740. The cubic root of 1641460742 is about 1179.6237290196.

The spelling of 1641460742 in words is "one billion, six hundred forty-one million, four hundred sixty thousand, seven hundred forty-two".