73819460251 has 4 divisors (see below), whose sum is σ = 73827670504. Its totient is φ = 73811250000.

The previous prime is 73819460243. The next prime is 73819460261. The reversal of 73819460251 is 15206491837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15206491837 = 23 ⋅661151819.

It is a 5-Lehmer number, since φ(73819460251) divides (73819460251-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 73819460251 - 2³ = 73819460243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73819460261) 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, 4091625 + ... + 4109626.

It is an arithmetic number, because the mean of its divisors is an integer number (18456917626).

It is a 2-persistent number, because it is pandigital, and so is 2⋅73819460251 = 147638920502, but 3⋅73819460251 = 221458380753 is not.

Almost surely, 2^73819460251 is an apocalyptic number.

73819460251 is a deficient number, since it is larger than the sum of its proper divisors (8210253).

73819460251 is an equidigital number, since it uses as much as digits as its factorization.

73819460251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210252.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 73819460251 in words is "seventy-three billion, eight hundred nineteen million, four hundred sixty thousand, two hundred fifty-one".