73473511151 has 2 divisors, whose sum is σ = 73473511152. Its totient is φ = 73473511150.

The previous prime is 73473511147. The next prime is 73473511159. The reversal of 73473511151 is 15111537437.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73473511151 - 2² = 73473511147 is a prime.

It is a super-2 number, since 2×73473511151² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73473511159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36736755575 + 36736755576.

It is an arithmetic number, because the mean of its divisors is an integer number (36736755576).

Almost surely, 2^73473511151 is an apocalyptic number.

73473511151 is a deficient number, since it is larger than the sum of its proper divisors (1).

73473511151 is an equidigital number, since it uses as much as digits as its factorization.

73473511151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 38.

The spelling of 73473511151 in words is "seventy-three billion, four hundred seventy-three million, five hundred eleven thousand, one hundred fifty-one".