1461214864 has 10 divisors (see below), whose sum is σ = 2831103830. Its totient is φ = 730607424.

The previous prime is 1461214849. The next prime is 1461214871. The reversal of 1461214864 is 4684121641.

It can be written as a sum of positive squares in only one way, i.e., 858021264 + 603193600 = 29292^2 + 24560^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45662949 + ... + 45662980.

It is an arithmetic number, because the mean of its divisors is an integer number (283110383).

Almost surely, 2^1461214864 is an apocalyptic number.

It is an amenable number.

1461214864 is a deficient number, since it is larger than the sum of its proper divisors (1369888966).

1461214864 is an equidigital number, since it uses as much as digits as its factorization.

1461214864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91325937 (or 91325931 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 1461214864 is about 38225.8402654539. The cubic root of 1461214864 is about 1134.7617641220.

The spelling of 1461214864 in words is "one billion, four hundred sixty-one million, two hundred fourteen thousand, eight hundred sixty-four".