429472481978 has 4 divisors (see below), whose sum is σ = 644208722970. Its totient is φ = 214736240988.

The previous prime is 429472481969. The next prime is 429472482013. The reversal of 429472481978 is 879184274924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 429414158209 + 58323769 = 655297^2 + 7637^2 .

It is a super-2 number, since 2×429472481978² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107368120493 + ... + 107368120496.

Almost surely, 2^429472481978 is an apocalyptic number.

429472481978 is a deficient number, since it is larger than the sum of its proper divisors (214736240992).

429472481978 is a wasteful number, since it uses less digits than its factorization.

429472481978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214736240991.

The product of its digits is 65028096, while the sum is 65.

The spelling of 429472481978 in words is "four hundred twenty-nine billion, four hundred seventy-two million, four hundred eighty-one thousand, nine hundred seventy-eight".