4465421994 has 48 divisors (see below), whose sum is σ = 10394020224. Its totient is φ = 1273557120.

The previous prime is 4465421993. The next prime is 4465422007. The reversal of 4465421994 is 4991245644.

It is not an unprimeable number, because it can be changed into a prime (4465421993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168562 + ... + 193245.

It is an arithmetic number, because the mean of its divisors is an integer number (216542088).

Almost surely, 2^4465421994 is an apocalyptic number.

4465421994 is an abundant number, since it is smaller than the sum of its proper divisors (5928598230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4465421994 is a wasteful number, since it uses less digits than its factorization.

4465421994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361851 (or 361840 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 4465421994 is about 66823.8130758789. The cubic root of 4465421994 is about 1646.7240780430.

The spelling of 4465421994 in words is "four billion, four hundred sixty-five million, four hundred twenty-one thousand, nine hundred ninety-four".