712979149 has 4 divisors (see below), whose sum is σ = 713225664. Its totient is φ = 712732636.

The previous prime is 712979147. The next prime is 712979153. The reversal of 712979149 is 941979217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 712979149 - 2¹ = 712979147 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712979147) 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, 118867 + ... + 124720.

It is an arithmetic number, because the mean of its divisors is an integer number (178306416).

Almost surely, 2^712979149 is an apocalyptic number.

It is an amenable number.

712979149 is a deficient number, since it is larger than the sum of its proper divisors (246515).

712979149 is a wasteful number, since it uses less digits than its factorization.

712979149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246514.

The product of its digits is 285768, while the sum is 49.

The square root of 712979149 is about 26701.6694047395. The cubic root of 712979149 is about 893.3581622112.

The spelling of 712979149 in words is "seven hundred twelve million, nine hundred seventy-nine thousand, one hundred forty-nine".