63149733469 has 2 divisors, whose sum is σ = 63149733470. Its totient is φ = 63149733468.

The previous prime is 63149733419. The next prime is 63149733499. The reversal of 63149733469 is 96433794136.

63149733469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61382540025 + 1767193444 = 247755^2 + 42038^2 .

It is a cyclic number.

It is not a de Polignac number, because 63149733469 - 2¹³ = 63149725277 is a prime.

It is a super-2 number, since 2×63149733469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63149733419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31574866734 + 31574866735.

It is an arithmetic number, because the mean of its divisors is an integer number (31574866735).

Almost surely, 2^63149733469 is an apocalyptic number.

It is an amenable number.

63149733469 is a deficient number, since it is larger than the sum of its proper divisors (1).

63149733469 is an equidigital number, since it uses as much as digits as its factorization.

63149733469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 55.

The spelling of 63149733469 in words is "sixty-three billion, one hundred forty-nine million, seven hundred thirty-three thousand, four hundred sixty-nine".