428468265802761 has 4 divisors (see below), whose sum is σ = 571291021070352. Its totient is φ = 285645510535172.

The previous prime is 428468265802757. The next prime is 428468265802771. The reversal of 428468265802761 is 167208562864824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428468265802761 - 2² = 428468265802757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428468265802771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71411377633791 + ... + 71411377633796.

It is an arithmetic number, because the mean of its divisors is an integer number (142822755267588).

Almost surely, 2^{428468265802761} is an apocalyptic number.

It is an amenable number.

428468265802761 is a deficient number, since it is larger than the sum of its proper divisors (142822755267591).

428468265802761 is a wasteful number, since it uses less digits than its factorization.

428468265802761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142822755267590.

The product of its (nonzero) digits is 495452160, while the sum is 69.

The spelling of 428468265802761 in words is "four hundred twenty-eight trillion, four hundred sixty-eight billion, two hundred sixty-five million, eight hundred two thousand, seven hundred sixty-one".