49686313 has 2 divisors, whose sum is σ = 49686314. Its totient is φ = 49686312.

The previous prime is 49686271. The next prime is 49686347. The reversal of 49686313 is 31368694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38477209 + 11209104 = 6203^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 49686313 - 2¹³ = 49678121 is a prime.

It is not a weakly prime, because it can be changed into another prime (49686613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24843156 + 24843157.

It is an arithmetic number, because the mean of its divisors is an integer number (24843157).

Almost surely, 2^49686313 is an apocalyptic number.

It is an amenable number.

49686313 is a deficient number, since it is larger than the sum of its proper divisors (1).

49686313 is an equidigital number, since it uses as much as digits as its factorization.

49686313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 49686313 is about 7048.8518923297. The cubic root of 49686313 is about 367.6311112237.

The spelling of 49686313 in words is "forty-nine million, six hundred eighty-six thousand, three hundred thirteen".