1402275981629 has 2 divisors, whose sum is σ = 1402275981630. Its totient is φ = 1402275981628.

The previous prime is 1402275981619. The next prime is 1402275981637. The reversal of 1402275981629 is 9261895722041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1298227802404 + 104048179225 = 1139398^2 + 322565^2 .

It is an emirp because it is prime and its reverse (9261895722041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402275981629 - 2⁸ = 1402275981373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402275981619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701137990814 + 701137990815.

It is an arithmetic number, because the mean of its divisors is an integer number (701137990815).

Almost surely, 2^{1402275981629} is an apocalyptic number.

It is an amenable number.

1402275981629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402275981629 is an equidigital number, since it uses as much as digits as its factorization.

1402275981629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 1402275981629 in words is "one trillion, four hundred two billion, two hundred seventy-five million, nine hundred eighty-one thousand, six hundred twenty-nine".