469749947731 has 2 divisors, whose sum is σ = 469749947732. Its totient is φ = 469749947730.

The previous prime is 469749947707. The next prime is 469749947801. The reversal of 469749947731 is 137749947964.

It is an a-pointer prime, because the next prime (469749947801) can be obtained adding 469749947731 to its sum of digits (70).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 469749947731 - 2¹³ = 469749939539 is a prime.

It is a super-2 number, since 2×469749947731² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (469749947701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234874973865 + 234874973866.

It is an arithmetic number, because the mean of its divisors is an integer number (234874973866).

Almost surely, 2^469749947731 is an apocalyptic number.

469749947731 is a deficient number, since it is larger than the sum of its proper divisors (1).

469749947731 is an equidigital number, since it uses as much as digits as its factorization.

469749947731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288054144, while the sum is 70.

The spelling of 469749947731 in words is "four hundred sixty-nine billion, seven hundred forty-nine million, nine hundred forty-seven thousand, seven hundred thirty-one".