1964051949 has 8 divisors (see below), whose sum is σ = 2732594112. Its totient is φ = 1252438880.

The previous prime is 1964051927. The next prime is 1964051977. The reversal of 1964051949 is 9491504691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1964051949 - 2⁵ = 1964051917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1964051898 and 1964051907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964051989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14232192 + ... + 14232329.

It is an arithmetic number, because the mean of its divisors is an integer number (341574264).

Almost surely, 2^1964051949 is an apocalyptic number.

It is an amenable number.

1964051949 is a deficient number, since it is larger than the sum of its proper divisors (768542163).

1964051949 is a wasteful number, since it uses less digits than its factorization.

1964051949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28464547.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 1964051949 is about 44317.6257148327. The cubic root of 1964051949 is about 1252.3267487583.

The spelling of 1964051949 in words is "one billion, nine hundred sixty-four million, fifty-one thousand, nine hundred forty-nine".