1941924639 has 16 divisors (see below), whose sum is σ = 2614014720. Its totient is φ = 1282283520.

The previous prime is 1941924631. The next prime is 1941924641. The reversal of 1941924639 is 9364291491.

It is a happy number.

It is not a de Polignac number, because 1941924639 - 2³ = 1941924631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941924631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130974 + ... + 145044.

It is an arithmetic number, because the mean of its divisors is an integer number (163375920).

Almost surely, 2^1941924639 is an apocalyptic number.

1941924639 is a deficient number, since it is larger than the sum of its proper divisors (672090081).

1941924639 is a wasteful number, since it uses less digits than its factorization.

1941924639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14510.

The product of its digits is 419904, while the sum is 48.

The square root of 1941924639 is about 44067.2740137168. The cubic root of 1941924639 is about 1247.6060076208.

The spelling of 1941924639 in words is "one billion, nine hundred forty-one million, nine hundred twenty-four thousand, six hundred thirty-nine".