73401873151 has 4 divisors (see below), whose sum is σ = 73423535400. Its totient is φ = 73380210904.

The previous prime is 73401873109. The next prime is 73401873157. The reversal of 73401873151 is 15137810437.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73401873151 - 2²³ = 73393484543 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 (73401873157) 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, 10826041 + ... + 10832818.

It is an arithmetic number, because the mean of its divisors is an integer number (18355883850).

Almost surely, 2^73401873151 is an apocalyptic number.

73401873151 is a deficient number, since it is larger than the sum of its proper divisors (21662249).

73401873151 is a wasteful number, since it uses less digits than its factorization.

73401873151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21662248.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 73401873151 in words is "seventy-three billion, four hundred one million, eight hundred seventy-three thousand, one hundred fifty-one".