1964929741 has 2 divisors, whose sum is σ = 1964929742. Its totient is φ = 1964929740.

The previous prime is 1964929739. The next prime is 1964929753. The reversal of 1964929741 is 1479294691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1534367241 + 430562500 = 39171^2 + 20750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1964929741 - 2¹ = 1964929739 is a prime.

Together with 1964929739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964929711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982464870 + 982464871.

It is an arithmetic number, because the mean of its divisors is an integer number (982464871).

Almost surely, 2^1964929741 is an apocalyptic number.

It is an amenable number.

1964929741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964929741 is an equidigital number, since it uses as much as digits as its factorization.

1964929741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 1964929741 is about 44327.5280271752. The cubic root of 1964929741 is about 1252.5132880664.

The spelling of 1964929741 in words is "one billion, nine hundred sixty-four million, nine hundred twenty-nine thousand, seven hundred forty-one".