1456661213 has 16 divisors (see below), whose sum is σ = 1733602560. Its totient is φ = 1197504000.

The previous prime is 1456661183. The next prime is 1456661221. The reversal of 1456661213 is 3121666541.

It is not a de Polignac number, because 1456661213 - 2²⁶ = 1389552349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456661233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6893 + ... + 54413.

It is an arithmetic number, because the mean of its divisors is an integer number (108350160).

Almost surely, 2^1456661213 is an apocalyptic number.

It is an amenable number.

1456661213 is a deficient number, since it is larger than the sum of its proper divisors (276941347).

1456661213 is a wasteful number, since it uses less digits than its factorization.

1456661213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47708.

The product of its digits is 25920, while the sum is 35.

The square root of 1456661213 is about 38166.2313177500. The cubic root of 1456661213 is about 1133.5817674427.

The spelling of 1456661213 in words is "one billion, four hundred fifty-six million, six hundred sixty-one thousand, two hundred thirteen".