75463270123021 has 4 divisors (see below), whose sum is σ = 82323567406944. Its totient is φ = 68602972839100.

The previous prime is 75463270122973. The next prime is 75463270123051. The reversal of 75463270123021 is 12032107236457.

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 75463270123021 - 2²¹ = 75463268025869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75463270123051) 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, 3430148641945 + ... + 3430148641966.

It is an arithmetic number, because the mean of its divisors is an integer number (20580891851736).

Almost surely, 2^{75463270123021} is an apocalyptic number.

It is an amenable number.

75463270123021 is a deficient number, since it is larger than the sum of its proper divisors (6860297283923).

75463270123021 is a wasteful number, since it uses less digits than its factorization.

75463270123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860297283922.

The product of its (nonzero) digits is 423360, while the sum is 43.

Adding to 75463270123021 its reverse (12032107236457), we get a palindrome (87495377359478).

The spelling of 75463270123021 in words is "seventy-five trillion, four hundred sixty-three billion, two hundred seventy million, one hundred twenty-three thousand, twenty-one".