737421021313 has 2 divisors, whose sum is σ = 737421021314. Its totient is φ = 737421021312.

The previous prime is 737421021283. The next prime is 737421021341. The reversal of 737421021313 is 313120124737.

737421021313 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., 609355094544 + 128065926769 = 780612^2 + 357863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-737421021313 is a prime.

It is not a weakly prime, because it can be changed into another prime (737421021713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368710510656 + 368710510657.

It is an arithmetic number, because the mean of its divisors is an integer number (368710510657).

Almost surely, 2^737421021313 is an apocalyptic number.

It is an amenable number.

737421021313 is a deficient number, since it is larger than the sum of its proper divisors (1).

737421021313 is an equidigital number, since it uses as much as digits as its factorization.

737421021313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 737421021313 in words is "seven hundred thirty-seven billion, four hundred twenty-one million, twenty-one thousand, three hundred thirteen".