45709420321 has 2 divisors, whose sum is σ = 45709420322. Its totient is φ = 45709420320.

The previous prime is 45709420307. The next prime is 45709420331. The reversal of 45709420321 is 12302490754.

45709420321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36696766096 + 9012654225 = 191564^2 + 94935^2 .

It is a cyclic number.

It is not a de Polignac number, because 45709420321 - 2¹⁹ = 45708896033 is a prime.

It is a super-2 number, since 2×45709420321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45709420331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22854710160 + 22854710161.

It is an arithmetic number, because the mean of its divisors is an integer number (22854710161).

Almost surely, 2^45709420321 is an apocalyptic number.

It is an amenable number.

45709420321 is a deficient number, since it is larger than the sum of its proper divisors (1).

45709420321 is an equidigital number, since it uses as much as digits as its factorization.

45709420321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 45709420321 in words is "forty-five billion, seven hundred nine million, four hundred twenty thousand, three hundred twenty-one".