1430354612661 has 64 divisors (see below), whose sum is σ = 2194033121280. Its totient is φ = 821594430720.

The previous prime is 1430354612639. The next prime is 1430354612677. The reversal of 1430354612661 is 1662164530341.

It is a happy number.

It is not a de Polignac number, because 1430354612661 - 2¹⁸ = 1430354350517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430354612261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14988066 + ... + 15083196.

It is an arithmetic number, because the mean of its divisors is an integer number (34281767520).

Almost surely, 2^{1430354612661} is an apocalyptic number.

It is an amenable number.

1430354612661 is a deficient number, since it is larger than the sum of its proper divisors (763678508619).

1430354612661 is a wasteful number, since it uses less digits than its factorization.

1430354612661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95466.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1430354612661 in words is "one trillion, four hundred thirty billion, three hundred fifty-four million, six hundred twelve thousand, six hundred sixty-one".