39423077402 has 4 divisors (see below), whose sum is σ = 59134616106. Its totient is φ = 19711538700.

The previous prime is 39423077387. The next prime is 39423077429. The reversal of 39423077402 is 20477032493.

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., 32112998401 + 7310079001 = 179201^2 + 85499^2 .

It is a super-4 number, since 4×39423077402⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39423077402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9855769349 + ... + 9855769352.

Almost surely, 2^39423077402 is an apocalyptic number.

39423077402 is a deficient number, since it is larger than the sum of its proper divisors (19711538704).

39423077402 is a wasteful number, since it uses less digits than its factorization.

39423077402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19711538703.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 39423077402 in words is "thirty-nine billion, four hundred twenty-three million, seventy-seven thousand, four hundred two".