150421707457 has 4 divisors (see below), whose sum is σ = 171910522816. Its totient is φ = 128932892100.

The previous prime is 150421707439. The next prime is 150421707473. The reversal of 150421707457 is 754707124051.

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 150421707457 - 2⁷ = 150421707329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150421708457) 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, 10744407669 + ... + 10744407682.

It is an arithmetic number, because the mean of its divisors is an integer number (42977630704).

Almost surely, 2^150421707457 is an apocalyptic number.

It is an amenable number.

150421707457 is a deficient number, since it is larger than the sum of its proper divisors (21488815359).

150421707457 is an equidigital number, since it uses as much as digits as its factorization.

150421707457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21488815358.

The product of its (nonzero) digits is 274400, while the sum is 43.

The spelling of 150421707457 in words is "one hundred fifty billion, four hundred twenty-one million, seven hundred seven thousand, four hundred fifty-seven".