905377372073 has 2 divisors, whose sum is σ = 905377372074. Its totient is φ = 905377372072.

The previous prime is 905377371967. The next prime is 905377372091. The reversal of 905377372073 is 370273773509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899988050329 + 5389321744 = 948677^2 + 73412^2 .

It is a cyclic number.

It is not a de Polignac number, because 905377372073 - 2¹² = 905377367977 is a prime.

It is a super-2 number, since 2×905377372073² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (905377372093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452688686036 + 452688686037.

It is an arithmetic number, because the mean of its divisors is an integer number (452688686037).

Almost surely, 2^905377372073 is an apocalyptic number.

It is an amenable number.

905377372073 is a deficient number, since it is larger than the sum of its proper divisors (1).

905377372073 is an equidigital number, since it uses as much as digits as its factorization.

905377372073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5834430, while the sum is 53.

The spelling of 905377372073 in words is "nine hundred five billion, three hundred seventy-seven million, three hundred seventy-two thousand, seventy-three".