487122957749 has 16 divisors (see below), whose sum is σ = 496351722240. Its totient is φ = 477983764800.

The previous prime is 487122957721. The next prime is 487122957767. The reversal of 487122957749 is 947759221784.

It is a cyclic number.

It is not a de Polignac number, because 487122957749 - 2⁸ = 487122957493 is a prime.

It is a super-2 number, since 2×487122957749² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487122957949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50997524 + ... + 51007074.

It is an arithmetic number, because the mean of its divisors is an integer number (31021982640).

Almost surely, 2^487122957749 is an apocalyptic number.

It is an amenable number.

487122957749 is a deficient number, since it is larger than the sum of its proper divisors (9228764491).

487122957749 is a wasteful number, since it uses less digits than its factorization.

487122957749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140.

The product of its digits is 71124480, while the sum is 65.

The spelling of 487122957749 in words is "four hundred eighty-seven billion, one hundred twenty-two million, nine hundred fifty-seven thousand, seven hundred forty-nine".