31459000493 has 2 divisors, whose sum is σ = 31459000494. Its totient is φ = 31459000492.

The previous prime is 31459000453. The next prime is 31459000561. The reversal of 31459000493 is 39400095413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26811442564 + 4647557929 = 163742^2 + 68173^2 .

It is a cyclic number.

It is not a de Polignac number, because 31459000493 - 2¹⁶ = 31458934957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31459000453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15729500246 + 15729500247.

It is an arithmetic number, because the mean of its divisors is an integer number (15729500247).

Almost surely, 2^31459000493 is an apocalyptic number.

It is an amenable number.

31459000493 is a deficient number, since it is larger than the sum of its proper divisors (1).

31459000493 is an equidigital number, since it uses as much as digits as its factorization.

31459000493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 31459000493 in words is "thirty-one billion, four hundred fifty-nine million, four hundred ninety-three", and thus it is an aban number.