1461060643 has 8 divisors (see below), whose sum is σ = 1670822912. Its totient is φ = 1251558216.

The previous prime is 1461060641. The next prime is 1461060661. The reversal of 1461060643 is 3460601641.

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

It is a cyclic number.

It is not a de Polignac number, because 1461060643 - 2¹ = 1461060641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461060641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52755 + ... + 75532.

It is an arithmetic number, because the mean of its divisors is an integer number (208852864).

Almost surely, 2^1461060643 is an apocalyptic number.

1461060643 is a deficient number, since it is larger than the sum of its proper divisors (209762269).

1461060643 is a wasteful number, since it uses less digits than its factorization.

1461060643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129921.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1461060643 is about 38223.8229773004. The cubic root of 1461060643 is about 1134.7218406639.

The spelling of 1461060643 in words is "one billion, four hundred sixty-one million, sixty thousand, six hundred forty-three".