1964399954 has 16 divisors (see below), whose sum is σ = 3292875936. Its totient is φ = 871130400.

The previous prime is 1964399947. The next prime is 1964399981. The reversal of 1964399954 is 4599934691.

It is a super-3 number, since 3×1964399954³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1964399893 and 1964399902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088012 + ... + 1089815.

It is an arithmetic number, because the mean of its divisors is an integer number (205804746).

Almost surely, 2^1964399954 is an apocalyptic number.

1964399954 is a deficient number, since it is larger than the sum of its proper divisors (1328475982).

1964399954 is a wasteful number, since it uses less digits than its factorization.

1964399954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177881.

The product of its digits is 9447840, while the sum is 59.

The square root of 1964399954 is about 44321.5518004503. The cubic root of 1964399954 is about 1252.4007098421.

The spelling of 1964399954 in words is "one billion, nine hundred sixty-four million, three hundred ninety-nine thousand, nine hundred fifty-four".