6997425429505 has 16 divisors (see below), whose sum is σ = 9739700046720. Its totient is φ = 4726619137152.

The previous prime is 6997425429443. The next prime is 6997425429539. The reversal of 6997425429505 is 5059245247996.

It is a cyclic number.

It is not a de Polignac number, because 6997425429505 - 2¹⁵ = 6997425396737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1491986020 + ... + 1491990709.

It is an arithmetic number, because the mean of its divisors is an integer number (608731252920).

Almost surely, 2^{6997425429505} is an apocalyptic number.

It is an amenable number.

6997425429505 is a deficient number, since it is larger than the sum of its proper divisors (2742274617215).

6997425429505 is a wasteful number, since it uses less digits than its factorization.

6997425429505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983976808.

The product of its (nonzero) digits is 244944000, while the sum is 67.

The spelling of 6997425429505 in words is "six trillion, nine hundred ninety-seven billion, four hundred twenty-five million, four hundred twenty-nine thousand, five hundred five".